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McLaren Special Operations (MSO) was introduced to the public last year, as the customization arm for the famed supercar builder. Think of it like Mercedes’ AMG without the performance parts. We haven’t heard too much from this arm in the last year, but that is because they have obviously been extremely busy.

“Busy doing what,” you may ask. Well, they were busy taking an MP4-12C and turning it into a one-off machine like no other to ever roam the streets. This new monster is the brain child of one lucky McLaren client and McLaren designer, Hong Yeo.

The client actually came to McLaren three years ago looking for a car that was more unique than the McLaren F1 and Mercedes-Benz SLR McLaren that he had already owned. The X1, which MLaren has just unveiled at "The Quail: A Motorsport Gathering," is based on the MP4-12C and was imagined as a timeless car with inspiration from multiple items, including: 1961 Facel Vega, a 1953 Chrysler D’Elegance Ghia, a 1959 Buick Electra, a 1939 Mercedes-Benz 540K, a 1971 Citroën SM, the Guggenheim museums in New York and Bilbao, a Jaeger LeCoultre art deco clock, an Airstream trailer, a Thomas Mann Montblanc pen, a grand piano, and an eggplant

That’s a huge list of inspirations, but when you look at the X-1, you can actually visualize where each piece may have gained its inspiration. Well, except for whichever piece was inspired by the Jaeger LeCoultre art deco clock and the Thomas Mann Montblanc pen, as we have no clue which clock or pen inspired it.

To have a good look at this wild X-1 and read our review on it, click past the jump.

  • 2013 McLaren X-1
  • Year:
  • Make:
  • Model:
  • Engine:
  • Horsepower @ RPM:
    592 @ 7000
  • Torque @ RPM:
    443 @ 3000
  • Displacement:
    3.8 L
  • 0-60 time:
    3.2 sec.
  • car segment:
  • body style:


2013 McLaren X-1 High Resolution Exterior Wallpaper quality
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On the outside, you are looking at one of the most unique cars in the world today. The designers and the car’s owner really went to bat and came up with a car that is nothing like anything else. The vehicle may have the monocell of a MP4-12C, but its entire body is bespoke. No “bespoke” isn’t some fancy new alloy, it simply means that it’s completely custom-built to the customer’s specifications. Even the headlights and wheels are fully custom built.

Every single body panel on the X-1 is made from carbon-fiber and is draped in black. By “black,” we mean pitch black, no metallic flakes, no extra tint, nothing at all. This makes the painting process a tough task, as pure-black paint hides absolutely no flaws. If anything, it enhances flaws. The sides of the car feature a lacquered carbon fiber, breaking up the pure-black base coat a little.

2013 McLaren X-1 High Resolution Exterior
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All of the X-1’s bright work is custom-milled from a solid piece of aluminum then brushed with a nickel finish. This bright work includes: headlight eyebrows, windshield trimming, over-the-shoulder trim down the car’s shoulder, a stripe down the side of the car, the McLaren Speed Marque logo on the front of the car, and the entire air-brake wing. That’s a lot of brushed aluminum.

2013 McLaren X-1 High Resolution Exterior
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From the front of the X-1, you’ll notice a sloped nose that runs into a front fascia that boasts a large air intake on each side. Three accent lines on the hood help break the hood into sections, giving it a more aggressive look.

From the windshield to the tail, you’ll see a swooping roof that looks like something from a futuristic movie. The mirror boasts the same lacquered carbon fiber as the sides of the X-1. Down the side of the car you’re going to see a pair of air vents about three-quarters of the way back, similar to those on the factory MP4-12C, and a long nickel-brushed aluminum separator dividing the upper and lower halves of the X-1. There is a hidden surprise to the rear quarter of the car. At first glance, you notice that almost all of the rear wheels are covered by a skirt, but these skirts easily lift upward at the push of a button. The hinges that these skirts use are described as “some of the most gorgeous hinges you’ve ever seen”

2013 McLaren X-1 High Resolution Exterior
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The doors have the same movement as the 12C has and the same twin-hinge system, meaning they open exactly the same way. However, the actual build of the door skin is 100 percent unique to the X-1.

2013 McLaren X-1 High Resolution Exterior
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From the back end, the X-1 does retain one item from its 12C base, the top-mounted exhaust exits. Those, however, are something that we wouldn’t have removed either. They fit the X-1’s build perfectly, almost more perfect than they fit the MP4-12C. The boomerang-shaped taillights are custom fabricated to the client’s exact specification, as are the rear vents, flat rear glass, and the engine cooling vents.

You would often think that a custom-fab job like this would have to retain the vehicle’s base specifications. Well, because the 12C’s monocell construction allows for major body panel changes, this model is actually slightly larger than the MP4-12c, measuring in at 4,658 mm (193 inches) long x 2,097 mm (82.55 inches) wide x 1,199 mm (47.20 inches) tall, which is 109 mm (4.29 inches) longer and 188 mm (7.41 inches) wider than the MP4-12C. It weighs in at about 1,400 kg (3,080 lbs), which is just about the same as its base MP4-12C.

With all of this custom fabrication, it took a lot of extra work to get this car approved for street use, but it is, in fact, road legal in Europe. We are sure it would pass U.S. standards too, but European standards are all it is certified for.

2013 McLaren X-1 High Resolution Exterior
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All we can say on the outside is “Wow!” This car is certainly not the prettiest car we’ve ever seen by a long shot. Fortunately, prettiness to us is not the goal here. This car was built to satisfy its owner and that’s that. We are certain the X-1 does that.


2013 McLaren X-1 Interior
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The basic outlay of the interior on the X-1 is identical to that on the MP4-12C. However, the customer did have it custom-fitted with Harissa Red McLaren Nappa leather on the seats, doors, and roof. The gear shifter is machined aluminum coated with nickel. Aluminum bezel is strewn throughout the cabin, as well. One final interior touch is the addition of carbon-fiber trim with titanium weave, which gives it a 3D effect.

Though there’s not many mods to the inside, we are still impressed with the detail that went into it.

Engine and Drivetrain

2011 - 2013 McLaren MP4-12C
- image 319142

The engine and drivetrain are 100 percent all from the 12C and have zero modifications. This means that the X-1 boasts the same impressive 3.8-liter turbocharged V-8 engine that the MP4-12C boasts. That gives the X-1 a whopping 592 horsepower at 7,000 rpm and 443 pound-feet of torque at 3,000 rpm. It also boasts the 7-speed automated manual transmission from its donor MP4-12C that sends power to the rear wheels.

Given the curb weight remains about the same, it is safe to assume that the X-1 retains the same 3.2-second sprint to 60 mph that the MP4-12C does.


2013 McLaren X-1 High Resolution Exterior Wallpaper quality
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Again, all we can muster up at this point is “Wow.” We are thoroughly impressed with the level of detail and customization that went into this vehicle. It’s a little sad to know that underneath all of that sexiness is a McLaren MP4-12C that we already know. Not that there’s anything wrong whatsoever with its donor car, we would just like to see something completely new.

2013 McLaren X-1 High Resolution Exterior
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What really stinks is that this is a one-off model that you will only be able to buy if the current owner decides he wants to put it up for sale. With the money he has sunk into this, we doubt it’s going anywhere anytime soon.

2013 McLaren X-1 High Resolution Exterior Wallpaper quality
- image 469316
  • Leave it
    • Would have liked more differentiation from the MP4-12C
    • Only one in existence
    • Straight black paint job is a killer for hiding imperfections
Justin Cupler
Justin Cupler
About the author

Press Release


2013 McLaren X-1 High Resolution Exterior Wallpaper quality
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Aug 17, 2012

McLaren Special Operations (MSO), the division of McLaren Automotive responsible for the delivery of bespoke projects, will present a breathtaking one-off supercar at The Quail, an exclusive event on August 17, 2012 that is a highlight of the Pebble Beach weekend in Monterey, USA.

Called the McLaren X-1 and based structurally on the company’s groundbreaking carbon MonoCell but with a totally unique body, it has been created for an anonymous car enthusiast.

X-1: The Brief

2013 McLaren X-1 High Resolution Exterior Wallpaper quality
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It’s not every day that a team gets to create something unique in a project that would take the supercar, even by McLaren standards, to a different level. The challenge began with a special brief.

‘One of our clients who already owned a McLaren F1, a Mercedes-Benz SLR McLaren and now a 12C, wanted a unique car,’ says MSO Programme Director, Paul MacKenzie. ‘The conversation began with our Executive Chairman Ron Dennis almost three years ago − before the 12C was even launched. The client wanted a machine that had all the capability of the 12C but wrapped in a unique body that reflected his needs and personality.’

In a subsequent meeting, Paul Mackenzie and Design Director Frank Stephenson went to see him to start to explore the sort of car he wanted.

Says Frank Stephenson: ‘The key qualities the client desired were “timeless and classical elegance”. Which was some challenge.’

That meeting with Mackenzie and Stephenson lasted for almost three hours. From the pages of notes that were gathered, the design team brought together hundreds of images from the world of automotive, architecture, fashion, design and even film. These were then presented to the customer, and were then narrowed down to a mood book, full of inspiring images from which the design spirit of this unique car would be derived.

Inspirational cars included a 1961 Facel Vega, a 1953 Chrysler D’Elegance Ghia, a 1959 Buick Electra, a 1939 Mercedes-Benz 540K and a 1971 Citroën SM. There were various examples of architecture – including the Guggenheim museums in New York and Bilbao – plus a Jaeger LeCoultre art deco clock, an Airstream trailer, a Thomas Mann Montblanc pen, a grand piano – and an eggplant. ‘The client liked the shiny texture of the finish,’ notes Stephenson. There was also a black-and-white photo of Audrey Hepburn.

‘The client wanted a competition between external designers – some outside the automotive world – and McLaren’s own designers,’ notes Stephenson. In the end, a design by McLaren’s Korean-born RCA graduate Hong Yeo was chosen, and completed under the direction of Stephenson.

One of the biggest design challenges faced by Yeo was that most cars that embody classic elegance and timeless values have front engines and rear-wheel drive proportions. This is the exact opposite of a mid-engined supercar. So a new visual language for the car had to be found which led to months of sketching and modelling to find that perfect visual balance.

Stephenson recalls: ‘From this design, we then produced a 30 per cent scale model, then a full-size hard foam model. Initially, we planned to do it all digitally but the client insisted on seeing “real” models.

‘The client was very clear in his own mind what he wanted. But the only styling feature prescribed were metal brightwork rails running from the nose, over the shoulderline and hips, to the rear of the greenhouse.’

In the words of Hong Yeo: ‘X-1 embodies the McLaren value that every part has to have a purpose. No details are simply visual cues, every one has a purpose. Although I like to think the wide body combined with pontoon style rear fenders will ensure the car glides when it’s moving just like a superhero’s cape...’

The styling took 18 months to sign off but the result is a design that in a few decades time will be hard to pinpoint exactly when it was created ... timeless, therefore, exactly as the client requested.

X-1: The Creation

2013 McLaren X-1 High Resolution Exterior
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The X-1 is the most ambitious example yet of MSO’s expertise. It has a whole new body made of advanced materials. Everything is bespoke, even down to the lights and wheels, necessitating new testing and homologation meaning the car took two and a half years to build, a process that began before the styling was signed off.

The X-1 had its own development programme because crucially, this wasn’t to be a fragile concept car that would never see tarmac. It was to be a usable car, road legal and capable of travelling at supercar speeds. It also had to comfortably seat two adults so although the 12C was already as shrink-wrapped as it could be from a packaging perspective, the ingenious flexibility of the MonoCell allowed the creation of a completely different form while maintaining the engineering purity of a McLaren.

A full CFD (Computational Fluid Dynamics) aerodynamic testing schedule ensured high-speed stability, and the car also completed approximately 625 miles of testing including two intensive testing stints at the Idiada circuit in Spain with chief McLaren test driver, Chris Goodwin. After testing, the whole car was meticulously rebuilt, by hand to concours standard.

X-1: The Detail

2013 McLaren X-1 High Resolution Exterior
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MSO Programme Director Paul Mackenzie explains: ‘The X-1 showcases the skills of McLaren Special Operations. More and more luxury customers want bespoke or individual features. The X-1 demonstrates that we can provide the ultimate personalisation service. It also shows that MSO is not just a technology led company. X-1 demonstrates a commitment to perfection and to the highest levels of quality.’

All body panels of the X-1 are made from carbon, and are finished in a rich piano black, as specified by the owner. Body sides are lacquered visual carbon fibre. ‘The black paint has no metallic or colour tints and is one of the most challenging colours to paint, but the finish is absolutely exquisite and befits the car perfectly’ adds Stephenson.

Components were tooled exclusively for the car. They even include unique head- and taillights, inspired by the McLaren Speed Marque logo. The brightwork is machined from solid aluminium, and a nickel finish is then applied. The McLaren logo in the nose is specially machined from solid aluminium then nickel plated. Wheels are also unique to the X-1, and are diamond turned with a tinted lacquer to complement the exterior nickel-plated brightwork.

The brightwork itself is all machined from solid aluminium, and then nickel finished to give the same hue throughout. Even the McLaren Speed Marque badge in the nose is machined from solid aluminium, then nickel plated.

The same brightwork is used for the over-the-shoulder rails (as specified by the owner), at the base of the windscreen and the back of the glasshouse, and for the ‘eyebrows’ over the bespoke headlights. The McLaren Airbrake rear wing is also machined from solid aluminium and nickel plated, to complement the rest of the brightwork.

Perhaps the most unusual styling feature is the enclosed rear wheels, an upshot of the owner’s desire to have a car reflecting ‘timeless elegance’. The wheels are accessed by carbon panels using, as Stephenson explains, ‘some of the most gorgeous hinges you’ve ever seen’. The styling, too, is in no way compromised by the opening rear wings.

He adds: ‘The attention to detail is astonishing. Neat styling touches feature throughout the design, such as the rear number plate illuminators finished in carbon, a gorgeous machined aluminium cap is used for the header tank, and carbon finishers line the engine bay.’

The doors have also been developed specifically for the X-1, although they retain the dihedral action and twin hinges, and the roof is also new. Externally, only the glasshouse is carried over from the 12C.

The unique body of the X-1 means most dimensions have changed. The X-1 is 4658mm long – 109mm longer than a 12C. Width is 2097mm (with mirrors) – an increase of 188 mm. Despite the revised roofline, the height remains the same, at 1199mm. Kerb weight is almost identical (about 1400kg), as the lighter carbon body panels compensate for the greater length and width. Light weight, as with all McLaren projects, was a priority.

While the basic architecture of the interior did not change, personalisation includes bespoke Harissa Red McLaren Nappa leather used for the seats, door and roof trim, and switchgear with machined nickel-coated, aluminium bezels. The carbon interior trim has a titanium weave, to give a magical 3D-like effect. Special Andesite tufted carpet covers the floor.

All these changes ensured the X-1 needed special homologation for road use. The car has been thoroughly engineered to be usable and road legal. The X-1 shares the same the major mechanical components as the 12C, including the twin-turbo 625PS engine, giving astonishing acceleration and top speed.

Stephenson explains: ’The X-1 epitomises how we can not only create a truly unique product tailored to the client, but also enable the client to become a key member of the design team throughout the process. It has been a truly rewarding and unforgettable experience. And I think that we as a team have created a completely unforgettable car that is true to one man’s vision.’

Hong Yeo concludes: ‘We designers are often blinded by the sun and assume that whatever we see and understand is the only way forward: to see the stars, sometimes you need the absence of that blinding light ... looking at a car from a different perspective is what X-1 stands for.’

After its debut, on the Monterey Peninsular, the X-1 will return to MSO headquarters in Woking and be carefully checked over before it takes a place in the owner’s collection.

McLaren Special Operations:

2013 McLaren X-1 High Resolution Exterior
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The bespoke McLaren Special Operations division was launched at Pebble Beach in August last year. It offers a personalisation service that varies from simple trim changes to a whole new car – as showcased by the X-1. ‘We can realise almost anything,’ says MSO Programme Director Paul Mackenzie. ‘The only limit is the size of the customer’s imagination.’

Changes are typically to colour and trim, although Mackenzie is keen to do more mechanical work too. ‘We are not just about styling,’ he notes.

At the beginning of this year, Mackenzie expected 10 percent of all 12C customers to choose some level of personalisation – over and above that offered from the extensive McLaren option list. In fact, the percentage of customisation is currently 15 percent and rising. MacKenzie expects 20 percent of all 12C customers will ask for some degree of personalisation by the end of the year. ‘There is a major trend to individualise premium cars, and we expect the demand to continue to rise,’ he notes.

MSO grew out of McLaren’s Customer Care programme, which goes back 20 years to the days of the McLaren F1 road car. It looked after servicing and maintaining cherished F1s for owners. It also undertook personalisation when cars changed hands: new owners often wanted to put their own marks on their vehicles. Today, MSO continues to service and look after F1 road cars from around the world. It also travels to destinations around the globe, to service and maintain cars.

During the production period of the Mercedes SLR McLaren, the Customer Care department moved into personalising new cars for owners. ‘On the Stirling Moss limited edition version, about a third of all SLRs had an element of bespoke build,’ says Mackenzie. ‘It varied from more visual carbon fibre, to different colours, to retrimmed interiors, to radios – all above and beyond the normal options list.’

MSO was officially founded in August 2011 and encompasses design, project engineering, technicians and purchasing. It also has technical and design access to other companies within the McLaren Group. MSO is headquartered in a dedicated building close to the McLaren Technology Centre in Woking, UK.

Currently the most popular areas for personalisation include external visual carbon fibre body panels, carbon fibre exterior trim, carbon rear wings, vented wheel arches and different wheel finishers. Different graphics are also in demand, while bespoke colour schemes are popular. Interior changes typically include different trim and unique upholstery stitching.

‘But it’s certainly not just colour and trim,’ notes Paul Mackenzie. ‘A number of cars have had different front and rear bumpers, which has increased downforce and boosted performance. These cars had to go through full aerodynamic CFD testing before engineering sign-off.’

Adds Mackenzie: ‘We’re here to help the client personalise the car to their precise taste. They typically come to Woking to see us, or talk to their dealer, or we go to see them. We’ll sit down with them, listen to their requests, then come up with a new colour or mechanical components, or – as with X-1 – a new “tailor made” car. Of course we make recommendations but we’re certainly not here to be style police. Every client is different. Our main job is to listen and then to interpret the owner’s requests into a superb car.’

As Mackenzie concludes: ‘This is the first fully client commissioned MSO car, but it certainly won’t be the last. The carbon fibre MonoCell chassis used in the 12C, is not only stiff and light, it allows for great flexibility in body styling and provides an affordable structure from which MSO can develop unique cars, as is demonstrated with X-1.’

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