Roadster cars are convertible compact sport cars, more or less luxurious but with a bold look and providing lots of feedback to the driver. they are the fun fast cars by excellence

After two images were released two days ahead of the 2012 Geneva Motor Show, Lamborghini has officially debuted the Aventador J, but not in concept form as previously suggested. The J is a fully functional sports car ready for road use. The bad news is that this will just be a one-off model that will ride off into the sunset with its new owner at the end of the Geneva Auto Show. "There is only one of them, no prototypes and no others for the Lamborghini Museum. The buyer can look forward to a truly unique, street-legal work of art."

The Aventador J is not the first one-off model offered by Lamborghini. This tradition began back in the 1970s with the unveiling of the one-off Jota - a Lamborghini Miura with improved performance and virtually redesigned in every detail. The car takes its "J" letter from the sporting rules of the FIA world motorsport organization: "Appendix J" defines the technical specification of race cars in the various classes.

The Aventador J’s exterior and interior meld into each other in an attempt to obtain a two-seat sport-bike effect. Elements like the climate control and nav systems have been removed in order to make the car faster. High quality materials also help in the speed department. Carbon fiber has been used for the car’s bumpers, the front air scoop, the winglets, and for that huge rear diffuser. Inside, the sports car boasts of seats covered in a new carbon fiber fabric called "Carbonskin."

Just like the standard Aventador, the one-off J version will be powered by a 6.5-liter V12 engine that is capable of delivering a total of 700 HP. Top speed goes up to an impressive 186 mph - a little less than the standard Aventador, but the J has to take into account it’s missing roof.

UPDATE 03/15/2012: There’s no doubt that the Aventador J had an impressive presence at the 2012 Geneva Motor Show, but how long did it took to create such a masterpiece? A year, half a year, a month, a few months? In an interview with Top Gear, designer Filippo Perini admitted that the Lamborghini team only needed six weeks: "It was the 14th of January that Mr Winkelmann asked us to do something for Geneva," says Perini. "A blank sheet. Do what you want. I drew up this car in a weekend..." Absolutely amazing!

UPDATE 04/22/12: For a car that was built for one customer, Lamborghini really spared no expense in the Aventador J. So much so that they even made a promo film for it. Check it out by clicking on the photo above.

Hit the jump for more details on the Lamborghini Aventador J.

Porsche Boxster

The new generation Porsche Boxster made its official debut last week at the 2012 Geneva Motor Show, but the car has already scored impressive results. The Boxster S model lapped the Nurburgring race track in an impressive 7:58 - or about 18 seconds shy of the new, more powerful Porsche 911 which scored an heart-racing time of 7:40.

This speedy lap time means the Boxster S is faster than models like the Corvette C6 (7:59), the Viper SRT-10 (7:59), and the C63 AMG Coupe (8:01) - which are far more powerful than the tiny Boxster. This result also makes the new generation better than the model it replaces which had a lap time of 8:10.

The new Boxster S is powered by a 3.4 liter flat-six engine that delivers a total of 315 HP. It sprints from 0 to 60 mph in just 4.8 seconds and will hit a top speed of 173 mph when equipped with a manual gearbox.

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Factory Five is known for being the premiere Shelby Cobra replica builders of the world, but how does their Mk4 Roadster stack up against the original 427 ? On March 17th and 18th, 2012, Powerblock TV will be airing episodes of MuscleCar TV that will show both cars stacked up against each other in a variety of driving categories. The Mk4 Roadster was jacked up with Ford’s new 5.0L Coyote engine, upgraded Wilwood brakes, Moser’s wavetrack rear end, and KONI’s latest double-adjustable shocks before both cars went to Charlotte Motor Speedway for a little one on one action. To watch the action, make sure you catch those episodes on March 17th and 18th, then again on March 24th and 25th on The Powerblock. Of course, if you want to be part of the action, then head over to the PowerBlock website, or visit the PowerBlock TV Facebook page where you can sign up to win the Ultimate Do-It-Yourself Package.

PowerBlock is holding a sweepstakes in which the winner will receive a complete Factory Five Mk4 Kit, complete with Ford Racing parts and Matco Tools, as well as a bunch of other prizes. All you have to do is sign up online to win. No purchase necessary.

Hit the jump to get full details on how to enter.

For full contest rules and all the wonderful fine print, go to!/rules

Acura NSX Roadster

A few days ago, a group of patent drawings were released of the upcoming Acura NSX Roadster , but those weren’t nearly enough. Based on those drawings, we have come up with our own rendering of the future drop top sports car.

As previously reported, the Roadster version will look very much like the car that will be featured in the upcoming Avengers movie, except for the roof. The Roadster model will feature the same aggressive design language as the coupe , with a low windscreen and an aggressively-shaped rear deck lid. Under the hood, it will feature Acura’s innovative Sport Hybrid SH-AWD (Super Handling All Wheel Drive) system that combines a unique 2 Electric Motor Drive Unit with a bilateral torque adjustable control system, allowing the car to instantly generate negative or positive torque to the front wheels during cornering.

If built, the new NSX Roadster will be revealed sometime in 2014, a year after the coupe version is scheduled to debut.

A year after Artega dropped the new GT and GT SE on our laps in Geneva , the German automaker returned to the scene of the crime with a targa version of their hard-top sports car.

The highlight of the Targa version is, of course, the top. The GT Targa comes with a removable panoramic glass roof that is said to be easily stowed behind the seats. Artega is watching customer feedback very closely on this feature and if all goes well, a production model will follow this concept.

As far as power goes, the Artega GT Targa will carry a 4.6-liter V6 engine mated to a six-speed DSG transmission to produce 300 horsepower. This allows the sports car to go from 0-62 mph in just 4.8 seconds with a top speed of 167 mph.

While Artega has been mum on how much it’s going to take to buy the GT Roadster, we do expect it to be in the neighborhood of the €75,000 price tag of the Artega GT. Convert that to greenbacks and you’re looking at a price of just under $100,000.

UPDATE 03/09/2012: This review has been updated with official specs and photos.

We all know how eccentric the folks over at FAB Design are, but one program that really captured our attention was their work on the Mercedes-Benz SLS AMG. Now, the tuner extraordinaire is back with a similar program for the SLS AMG Roadster . Unlike the hard-top version of the Mercedes supercar, the program for the roadster is called the Jetstream, and it comes with plenty of aerodynamic and performance modifications.

The first order of business is the body kit, which comes with a new front bumper with vertically positioned daylight running lights. It also has wider fenders that flow down into the sides skirts and run up into the widened quarter panels. A new rear bumper was also added with bigger vents to go with a diffuser and a carbon fiber lip spoiler. Lastly, FAB Design also installed a new stainless steel sports exhaust system that has an integrated valve control and a quad-tailpipe set-up.

As far as performance modifications are concerned, FAB Design was able to bump up the output of the SLS AMG Roadster from the standard 563 horsepower and 479 lb/ft of torque all the way up to 607 horsepower and 509 lb/ft torque. The increased output allows the supercar to hit 0-62 mph in 3.6 seconds with a new top speed of 202 mph.

It’s a combination that you probably never saw coming. But thanks to a combination of retro demand and the continuous pursuit of technology, we might just be able to live in a world where a classic-looking vehicle is running on electric energy.

British automaker, Morgan , has unveiled their newest concept, the Electric Plus E, at the 2012 Geneva Motor Show . Based on the Morgan Plus 8 , the Electric Plus E bears all the styling cues and design language of the Plus 8, except that instead of running on petrol, the Electric Plus E Concept was fitted with a Zytek electric motor and a lithium-ion battery, two power sources that allow the vehicle to travel up to 120 miles on just a single charge.

Taken together, the Morgan Plus E Concept produces an output of 160 horsepower and 280 lb/ft of torque while mated to a five-speed manual transmission. These figures allow it to travel from 0-62 mph in 6.0 seconds with a top speed of 115 mph.

It may not have the power of the Plus 8, but the Electric Plus E Concept is really the best of both worlds for those retro nuts looking for a classic car that doesn’t come with a gas-guzzling unit.

The Wiesmann Roadster has had a good run, that much we can be sure of, but just like Atari and SpongeBites, all good things must come to an end. So 18 years after we first saw the Roadster MF3 ], the German sportscar is being prepared for its swan song with a collection of special edition models that Wiesmann is building in collaboration with luxury brand, Sieger.

To commemorate its 18-year run that began in 1993, the German automaker will be rolling out 18 unique models of the MF3, with each model carrying their own special color schemes, to go with fancy-pants nicknames that include Panther, Ivory, Swiss Blue, and Mountain Mobile. One of the special edition models was on display at the Frankfurt Motor Show, giving the attending crowd the first look at the last set of MF3 Roadsters to carry the Wiesmann badge.

The MF3 Roadster Final Edition is powered by a 3.2-liter six-cylinder engine that develops 338 horsepower - an increase of 13 horsepower from the standard model - and 269 lb/ft of torque. The car is mated to a number of gearbox options, including a five- or six-speed manual as well as an optional six-speed SMG transmission. All told, the MF3 Roadster Final Edition can clock in a 0-62 mph time of 4.9 seconds with a top speed of 158 mph.

UPDATE 03/07/2012: Weismann’s Final Edition MF3 Roadster, specifically the Scuba Mobil version, made its way over to the 2012 Geneva Motor Show in all of its psychedelic glory! Check out the images of this colorful ride in the picture gallery!

In early 2012, Mercedes unveiled the new generation SL-Class , but their newest unveiling is the one we’ve actually been waiting for. After previewing the most powerful model in the SL series during the official launch of the new Mercedes AMG Petronas F1 W03 race car in Spain, Mercedes has officially unveiled the SL63 AMG.

As expected, the SL63 AMG looks more aggressive than the standard SL-Class thanks to a deeper front bumper with larger air intakes, the usual AMG LED daytime running lights sitting inside the bumper, "V8 Biturbo" badges, a subtle rear deck spoiler, and the quad trapezoidal-shaped chromed tailpipes.

The new Mercedes SL63 AMG is powered by the same twin-turbocharged 5.5-liter V8 engine already used in models like the CLS 63 AMG , tuned to deliver a total of 537 HP, or 564 HP when equipped with the AMG Performance package. Thanks to the all-aluminum bodyshell and assorted magnesium components, the new sports car is about 240 lbs lighter than its predecessor. The added power and decrease in weight allows it a 0-60 mph time of just 4.3 seconds. Top speed is limited to 155 mph, but if the customer opts for the removal of the top speed limiter then they will enjoy impressive 186 mph. At the same time, Mercedes has promised that the fuel economy has been improved by 30%.

UPDATE 03/06/2012: We have added a new series of live images from the 2012 Geneva Motor Show. Enjoy!

UPDATE 04/24/2012: Mercedes has unveiled a new promo video presenting the brand new SL 63 AMG and SL 65 AMG driven in the beautiful scenery of Tenerife. Enjoy!

UPDATE 07/30/2012: Mercedes has unveiled a new video of their SL 63 AMG driven by the most famous tennis players in the world. The video has been shot during the 2012 Weißenhof Tennis Tournament in Stuttgart.

Hit the jump to read more about the new Mercedes-Benz SL63 AMG.

After the Acura NSX Concept came out in its coupe version at the Detroit Auto Show, the Acura NSX Roadster has been revealed thanks to a series of patent drawings brought out by the European patent office on February 22, 2012. As you can see these drawings, the Roadster version will look very much like the car that will be featured in the upcoming Avengers movie .

If the NSX Roadster sees a production line in its future then it will be the same type of sporty model as the coupe version with an aggressive design language and up-to-date technology. This means that the next NSX Roadster will be feature Acura’s innovative Sport Hybrid SH-AWD (Super Handling All Wheel Drive) system that combines a unique 2 Electric Motor Drive Unit with a bilateral torque adjustable control system, allowing the car to instantly generate negative or positive torque to the front wheels during cornering.

Look for the Acura NSX Roadster to debut as a 2014 model.

Updated 03/12/2012: Today we have a very cool rendering of the upcoming Acura NSX Roadster. We hope you’ll enjoy it!

Source: Vtec

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