Audi SQ8 TDI puts 429 hp and 664 lb-ft in a svelte package

Audi SQ8 TDI puts 429 hp and 664 lb-ft in a svelte package

The Audi SQ8 TDI is here, wrapping the same diesel-hearted powertrain from the SQ7 TDI in a more lissome package. That means a 4.0-liter V8 oil-burner with two sequential turbochargers terrifying the roadways with 429 horsepower and 664 pound-feet of torque.