Audi is developing a high-performance RS5 sedan variant to join the A5 and S5 lineup soon. The new RS5 may feature a twin-turbo V6 engine and potential plug-in hybrid technology. Audi's RS models continue the brand's history of setting benchmarks in the high-performance luxury car market.

Audi unveiled the all-new A5 lineup. While it uses existing nomenclature, the A5 takes over from the combustion-powered A4 lineup. So far, only the base models and S5 have been revealed. Now, we're getting another look at the range-topping RS5,

Is the Audi RS6 Avant perhaps a little too big for your liking and has more power than you could ever need? Well, Audi will soon have the answer in the form of the new RS5 Avant, which will replace the RS4.

The new Q3 appears to feature similar proportions to the current model, which makes sense as the two vehicles are expected to share a platform, in this case Volkswagen Group's MQB, though the new Q3 should get the updated version of the platform known as MQB Evo.

Watch: Can The Audi RS5 Avant Snatch BMW M3 Touring’s Nurburgring Record? A heavily-camouflaged prototype of the RS5 Sedan was spotted during hot-weather testing in Europe, and

Like the Audi RS5 Avant wagon, the sedan gets hugely pushed out wheel arches at the front and the back. They hide the massive tires the RS5 needs to reign in all of its horsepower

Over the last few months, the Audi RS5 Avant has been spotted undergoing testing as it prepares to take over from the RS4, which will become an all-electric vehicle. Since the RS4 was available as both a sedan (once upon a time) and a station wagon,