Official Ferrari 458 Spider teaser

The all-new Jeep Grand Cherokee has a lot going for it. It’s based on the next-generation Mercedes M-class platform, looks rugged and undercuts its rivals by thousands. But is it a good enough alternative to them? Here, Alex Kersten finds out in our quick fire review.

British manufacturer Ginetta is making a comeback with the new Ginetta G40R, a 2.0-litre 175bhp rear-wheel drive sports car. At £30k its closest rival is the more powerful Nissan 370Z, but the lightweight Ginetta offers a very different, club sport experience. Read the review at http://www.autocar.co.uk/CarReviews/RoadTestsHistory/Ginetta-G40-R/259421/

The sublime Maserati GranCabrio Sport packs 444bhp from its 4.7-litre V8 engine. Find out how the stunning Italian drop-top supercar fares on the road. Read the review at http://www.autocar.co.uk/CarReviews/FirstDrives/Maserati-Grancabrio-4.7-V8-Sport/258308/

The Fisker Karma is the world’s first luxury plug-in hybrid. It gets a 270bhp petrol engine combined with two powerful electric motors, which can propel it to 62mph in 6.3sec and return over 60mpg. Read the review at http://www.autocar.co.uk/CarReviews/FirstDrives/Fisker-Karma-Range-extender/261498/

One runway, two American muscle cars and a score to settle. Which is faster? The 6.2-litre Chevrolet Camaro SS or the all-new 5.0-litre Ford Mustang Boss 302? Vicky Parrott finds out and tells us exactly why the winning car has such an advantage. Place your bets…

We’re big fans of the Audi R8 so this hardcore GT version should hit the spot. Compared with the standard V10, weight is down by 100kg and power up by 30bhp. Even at £145k, all 33 UK variants are already sold. But is the Audi R8 GT really worth the extra money? Here, Matt Prior takes one by the scruff of the neck to find out.

Aston Martin’s new Zagato race car looks fantastic. But the real highlight here comes courtesy of the car’s completely unsilenced 6.0-litre V12 engine. It produces a mammoth 550bhp, which is transferred to the tarmac via an automated manual gearbox borrowed from the Aston One-77. So what is this stripped out racer like to drive? Here, Jamie Corstorphine finds out at Gaydon’s high-speed test facility.