Electric RS6 Avant canceled; combustion-powered hybrid RS6 spied with familiar one-piece headlights.
Up front, the bumper inlets that are mostly cosmetic on the A6 are gaping maws on the RS model. They're necessary to bring in air to cool the brakes and probably other of the car's fluids when you're ...
Gumbal on MSN
BRABUS E63 S vs ABT RS6 – Who’s Faster?
A heavyweight performance showdown: the BRABUS-tuned Mercedes-AMG E63 S 4Matic+ takes on the ABT Audi RS6 Avant C7 equipped ...
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