Built for the Track: Insane Audi 90 Quattro

A Bosch Motorsport engineer went to town on it on this Audi 90 Quattro — and turned it into a fire-breathing track-day terror.
By: John Coyle | October 16, 2021

A Bosch Motorsport engineer went to town on it on this Audi 90 Quattro — and turned it into a fire-breathing track-day terror.
By: John Coyle | October 16, 2021

The 2021 Audi RS6 Avant plenty fast right out of the box. But from some folks, it’s still not enough.
By: John Coyle | January 18, 2021

The Audi RS6 might never be a true sleeper, but MTM’s 1000 horsepower monster packs the power to surprise supercars.
By: John Coyle | December 13, 2020

This Audi S4 SEMA is available for a fraction of the build cost, but is that fraction still too much?
By: John Coyle | September 21, 2020

If the Audi R8 isn’t fast enough for you right out of the box, Hennessey Performance can help.
By: John Coyle | August 31, 2020