Upcoming Cars In 2011 Aston Martin V8 Vantage Roadster which use V8 engine is retained of car benefits with engine performance for 4.7 liter V8 engine power unit of Aston Martin V8 Vantage Roadster roadster variant. The output of 4.7 V8 Aston Martin V8 Vantage Roadster engine is 420bhp (11% increase of previous 4.3 liter unit) and delivers peak torque of 470Nm (15% increase).
