The new A8 3.0 TDI quattro features the first of a new generation of Audi TDI engines. Unusually compact at just 440 mm in length, the new turbocharged and twin-intercooled 24-valve unit employs common rail injection technology for the first time in an Audi V6 TDI. It develops 233 PS at 4,000 rpm and an exceptional maximum torque figure of 450 Nm from just 1,400 rpm through to 3,250 rpm, the highest specific output of any new-generation V6 diesel. This impressive output enables the A8 3.0 TDI to outperform all other comparable diesel-powered sedans, helped by an all-aluminium body shell that is some 50 per cent lighter than an equivalent steel body, and 60 per cent more rigid. A 0-62mph time of 7.8 seconds and a maximum speed of 243 km/h (151 mph) are combined with a fuel economy of up to 11.22 km/l. The A8 3.0 TDI quattro sets a new standard as the first and only diesel car in the large luxury class to combine six-speed tiptronic transmission with permanent all-wheel drive.

Available in standard or long-wheelbase body styles, the new fwd A8 3.0 multitronic will be powered by a lightweight alloy-block V6 petrol engine offering 220 PS at 6,300rpm and a maximum 300Nm of torque at 3,200rpm. It will be capable of accelerating to 62mph in an impressive 7.9 seconds and, where permissible, reaching a top speed of 240 km/h (150 mph). The multitronic transmission plays a key role in maximising the performance of the V6 engine, and delivering exceptional smoothness. It also ensures that fuel economy in the A8 3.0 stands out from the crowd, with up to 10.4 km/l possible on the combined cycle, exceptional for a petrol engined luxury sedan of this size.