Under the hood of the A8 3.0 TFSI quattro is a V6 engine whose mechanical compressor can be deactivated. Power output is now ...

1.3L I-4 gasoline direct injection, DOHC, Multiair variable valve control, intercooled turbo, premium unleaded, engine with 177HP (1) 1.3L I-4 gasoline direct injection, DOHC, Multiair variable valve ...

1.3L I-4 gasoline direct injection, DOHC, Multiair variable valve control, intercooled turbo, premium unleaded, engine with 177HP (1) 1.3L I-4 gasoline direct injection, DOHC, Multiair variable valve ...

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The aging luxury sedan won't be replaced anytime soon. Sales of Audi’s flagship took a nosedive last year, with A8 deliveries plunging by 26.3 percent to just 14,955 cars. It’s not hard to see why.