Aston Martin has unveiled a heavily updated version of its Vantage sports car – the entry point to the British firm’s line-up. The current Vantage arrived on the scene in 2018, and though it’s always been billed as the sportiest version in Aston Martin’s range, a range of changes have now been made to make it the ‘most driver-focused and fastest Vantage’ ever. Key to the changes is a significantly more powerful 656bhp 4.0-litre twin-turbo V8 engine, representing a 153bhp increase. The torque figure also jumps by 115Nm to 800Nm. This allows for a 0-100 km/ time of just over 3 seconds, and a top…