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Jaguar XKR Speed Pack (2010) first pictures

Jaguar will launch two new styling and performance packs for the 2011 model year XKR coupe at the Geneva motor show. The new XKR Speed Pack and Black Pack lets customers spec up styling accoutrements and raise the top speed from a limited 155mph to 174mph. This Jag XKR does what it says on the tin, unleashing the potential of the 503bhp/461lb ft supercharged V8 for a £3500 supplement.

Spied on the street: Porsche Panamera

Yes, Porsche has given up several official photos of the Panamera sedan ahead of the car's expected official rollout at the Shanghai auto show in late April. That means prototypes on the road have stripped off the camouflage. But it's still interesting to see the car in a natural setting.

Mercedes C63 AMG Coupe (2011) first official pictures

This is the Mercedes C63 AMG Coupe. After years of competing admirably against the BMW M3 Coupe with four-door saloons, the recent launch of the C-class Coupe means Merc’s go-faster tuning arm AMG finally has a two-door on which to build a worthy rival. And this is it, the C63 AMG Coupe, which sports a big V8 capable of producing 480bhp.