ESSENTIALS Mercedes CLA 250+ AMG Line Premium Price: £51,770 Powertrain: 85.5kWh battery, 1x e-motor, 268bhp 0-62mph: 6.7 seconds Test efficiency: 4.1 miles/kWh Official range: 462 miles Annual VED: £

FANCY A SUPERCOMPUTER with wheels? Buy a new Mercedes-Benz CLA, then. Its onboard computer apparently runs up to 280 million functions per second – qualifying it as a supercomputer, according to Merce

A DECADE AGO, your smartphone could browse the web, give you directions and probably even shoot 4K video. Since then we’ve seen faster processors and cameras that can zoom in to individual eyelashes,

List price £39,990 Best price £39,990 Range 318 miles Battery size 57.5kWh For Class-leading efficiency; fast charging via Tesla’s own network; surprisingly practical; well priced Against Some fiddly

£254,200 OTR/£282,000 as tested/£5,077 pcm WHY IT’S HERE: What has a hybrid makeover – and Mulliner buffing – added to the world’s best grand tourer? DRIVER: Ollie Kew IT’S 5AM, AND YOU JOIN ME AT hom

PANDA AND INSTER TOO TITCHY for you? Similar money can bag you a 4.3m long SUV with electric power too. Vauxhall’s entire car lineup offers an EV powertrain, all of which get the £1,500 government gra