Aston's smallest sports car gets a fast folding roof, a twin-turbo V-8 engine making 656 horsepower, and a 202-mile-per-hour top speed. Aston Martin revealed the new Vantage nearly a year ago.

The legendary British car firm says it has the fastest electric folding roof of any car on sale. Its £175,000 price-tag represents a £10,000 mark-up over the hard-top coupe version launched last ...