Each of Audi’s prime competitors offers a hotted-up large sedan.
The BMW M5 is the closest competitor in specs, as it’s also powered by a V-10 engine.
The Mercedes-Benz E63 AMG has brilliant V-8 power, while both the Cadillac STS-V and Jaguar XF Supercharged add supercharger boost to get to these stratospheric levels of power.
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