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Renault R-Space concept car (2011) at 2011 Geneva motor show

Renault will show off a glimpse of its thinking for the Scenic segment with the new R-Space concept car at the 2011 Geneva motor show. It’s a 4.3m long show car that’s designed to inject some pizzazz where today’s Scenic prefers a more sober style. The new-fangled Renault look as pioneered by incoming design chief Laurens van den Acker is present and correct: there’s a large diamond on the nose and heaps more character than the current MPV.

Audi TT Ultra Quattro concept (2013) first official pictures

This is Audi’s idea of a TT in the GT3 RS or Superleggera mould: the TT Ultra Quattro concept. Thanks to a ruthless diet and an uprated 2.0-litre TFSI turbo petrol engine, the all-wheel drive TT Ultra will launch to 62mph in 4.2sec, (1.3sec faster than a regular Audi TTS) and hit 173mph flat out. Just how light is the Audi TT Ultra?

Mercedes S63 gets new 5.5 litre V8

The Mercedes S63 AMG is the firts to get the new AMG 5.5 litre V8 Bi-Turbo Mercedes’ top end AMG engine has changed over the last few years. It’s gone from a 5.5 litre supercharged lump to the now ubiquitous 6.2 litre normally aspirated engine, which anomalously gets badged ’63′ throughout the cars that sit at the top of each of Mercedes big-engined ranges. But now we go back to the future with the return of a 5.5 litre V8 – admittedly a completely new engine (M571) – which this time round sports a pair of turbochargers and delivers 554 hp and 590lbs/ft of torque.