444bhp

The RS4 Avant is powered by a 444bhp V8 engine The RS4 Avant is expected to reach showrooms in September The 4.2-litre naturally aspirated V8 is the same unit used in the Audi RS5 Chris Knapman ❋ Chris Knapman (2012)

Audi has revealed details of the high performance RS4 version of its latest A4 Avant, which will be powered by a 444bhp V8 engine and have a top speed of 174mph. ❋ Chris Knapman (2012)

With the same 4. 2-litre V8 engine found in the R8, but tuned to produce more power and torque - 444bhp and 317 lb ft - this four-seat super-coupé can run with the best of them, including the BMW M3 yardstick. ❋ Unknown (2010)

Petrol fans can choose between a 276bhp 3. 6-litre V6, a 330bhp 4.2 V8 or a full-blown 444bhp ❋ Unknown (2010)

A 237bhp 3. 0-litre V6 turbodiesel will be available in both short and long-wheelbase models, but the flagship 444bhp W12 petrol will be offered in the long-wheelbase Phaeton only. ❋ Christian (2010)

That 444bhp comes courtesy of a reworked version of the R8's 4. 2-litre V8, making a full ❋ Unknown (2010)

It has a 444bhp 3. 8-litre six-cylinder engine, which is 15bhp up on the recently launched GT3 and 35bhp more than the previous GT3 RS., ❋ Unknown (2010)

We're looking at 444bhp, a new dynamic diff for the four-wheel drive and M3-breaking performance. ❋ Unknown (2010)

Launch Pad: Live updates from the launch of the new 444bhp V8 ❋ Unknown (2010)

The RS5 is a more hardcore model, which boasts power upped by almost 100bhp to 444bhp, a 0-62mph time dropped to 4.6 seconds and around £17000 extra on the list price. ❋ Unknown (2010)

That means power is up to a nice round 444bhp overall, with the 0-60mph time down to 6.4 seconds and top speed registering 168mph. ❋ Unknown (2008)