Reliability takes a while to gauge accurately in the automotive world, and when it comes to engines, they must prove ...
The 4.0L twin-turbo V8 engine produces 749 hp (559 kW /760 ps) in the ABT RS6-LE, and that’s a healthy jump over the regular RS 6 Avant, which has 621 hp (463 kW/630 ps) to play with, hitting 62 mph ...
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