On average it achieves 81% of the official MPG figure. The Audi A4 Allroad combines the style and practicality of a premium estate car with the off-road prowess of an SUV. It has taller suspension and improved underbody protection for tackling country lanes, and Audi's quattro four-wheel drive system is fitted as standard. A version of Audi’s quattro all-wheel-drive system is standard across the range. 2022 Audi A6 KBB.com Consumer Reviews. 4.3. Consumer Rating. Based on 12 Reviews. Write a Review. 2017 Audi A6 3.0T Competition Prestige quattro 4dr Sedan AWD (3.0L 6cyl S/C 8A) I bought this after owning a 2014 A6, 4cyl. Premium plus. Not even in the same neighborhood this car versus my last Available in 242bhp 45TDI and 283bhp 50TDI specs, both are paired to quattro all-wheel drive, but the lesser variant features a seven-speed dual-clutch gearbox compared to the 50’s eight-speed ECNMsC.