Sibling rivalry

£44,425

2.0TD 4cyl

187 bhp

8spd auto

7.3 secs

49.6 mpg

130 g/km

↑FOR Better conceived and executed than the car it replaces

↓AGAINST Pricey, doesn’t ride well, occasionally laggy gearbox. Get the GLB

The VW Group isn’t the only one spinning a shedload of cars off a single platform. In the last couple of years Mercedes has derived no fewer than different cars from the latest A-Class’s underpinnings, all of which use a common suite of engines and technologies