Full test: Aston Martin DB12 S is a sharper, louder and lighter GT,

Full test: Aston Martin DB12 S is a sharper, louder and lighter GT,

New upper-level DB12 'super tourer' gets 20bhp extra, weighs up to 50kg less, and aims for a sportier feel. Among distractions ranging from Adrian Newey-masterminded hypercars to bleak reports in the business pages to military-grade off-roading concepts (take it you’ve seen the Dreadnought?), it’s easy to forget about Aston Martin’s DB12.Less commonly seen than the entry-level Vantage and less ‘special’ than the V12-engined Vanquish, in so many …