This time around, the two cars will diverge in both shape and propulsion as the RS7 gets a twin-turbo plug-in-hybrid V6 and the RS6 goes EV only. Audi has ... The twin-turbo 4.0-liter V8 is ...

You might not have heard of a ‘sleeper’ car before, but essentially it’s a powerful performance machine hidden beneath some pretty normal looks. Audi’s RS6 – the brand’s iconic ...

Despite weighing in at 2075kg, the RS6 will sprint to 62mph, with little driver effort, in 3.6sec. Flat-out it will top 155mph, though Audi will lift the limiter to 189mph if you ask it nicely.