One upgrade was all it took to make this B6 Audi A4 exponentially more fun and satisfying to drive on a regular basis.

After suffering the catastrophic failure, this Audi RS6 needs a new long block, because the old one is quite literally toast.

An internal battle between brands ultimately resulted in the Audi TT winning out, but it nearly didn’t.

With relatively equal power to weight ratios, this Audi RS6 uses sheer muscle to drive past a BMW M3 in every single race.

A pair of turbos are essentially all this Audi R8 needs to run 8s in the quarter-mile and go over 200 mph in the half-mile.

The already potent Audi S8 Plus gets even more so with a simple upgrade and the flip of a switch.

The Tesla Model S Plaid is certainly difficult to beat, but this 1,300 WHP Twin-Turbo Audi R8 is just the car to make that happen.