Audi Q8 concept debuts in Detroit – 448 hp plug-in hybrid, 0-100 km/h in 5.4 seconds, 1,000 km range
Big metal beckons at Motown, and Audi weighs in with the Q8 concept, a 5.02 metre-long, 2.04 metre-wide, and 1.70 metre-tall four-seater SUV with a coupe roofline and a plug-in hybrid powertrain …