Porsche has revealed a performance version of its Panamera model at the Los Angeles International Auto Show.

The Panamera GTS, designed to propel the Panamera from the urban elite to the race track, will hit the roads early next year with a price tag of €116,716 in Europe.

Boasting a top speed of 288km/h, the new model has been overhauled to improve sporting performance, including a new adaptive air suspension system, sports tuning and a wider rear axle width to improve stability.

Jaguar has unveiled its most powerful open-topped GT ever on the first day of the Los Angeles Auto Show.

The automaker took the wraps off the XKR-S Convertible November 16, describing the model as a “new performance echelon” at the top of its XK range.

Boasting a 5.0-liter supercharged V8 engine, the model tops out at 300 km/h and manages 0-100 km/h in 4.4 seconds, the fastest time for a convertible Jaguar GT.

Ford has announced the launch of a record-breaking V8 engine, debuting in the Shelby GT500 this week, ahead of its Los Angeles Auto Show debut.

The new 2013 Ford Shelby GT 500 contains a 5.8-liter supercharged V8 producing 650 horsepower and 600 lb.-ft. of torque, making it (by Ford’s reckoning) the most powerful production V8 engine in the world.

The model boasts a top speed of more than 200 mph (320 km/h), helped by its 3,850-pound light weight and a six-speed manual transmission, with Ford’s high-performance SVT team individually tuning nearly every vehicle system for power.

Mercedes-Benz has released the first teaser image of the 2012 ML63 AMG ahead of its official world debut this week at the 2011 Los Angeles Auto Show.

The 2012 ML63 features a significantly greener powertrain, with fuel consumption of 16 mpg (14.7 l/100km), up a third from its predecessor.

It will feature a powerful 5.5-liter V8 biturbo engine, with an increased power of 518 hp, which rises to 550 hp when combined with the AMG Performance Package.

General Motors-owned brand Cadillac will launch its new flagship sedan at the Los Angeles Auto Show, it announced this week.

The brand has now confirmed that the Cadillac XTS, first featured as a concept at last year’s Detroit Motor Show, will officially debut at the LA event.

Rumours surrounding the model reached fever pitch when Cadillac accidentally let slip a photo on their media website.