Audi has added a new entry-level model to the A7 line-up, the 45 TDI.
It uses a detuned 3.0-litre V6 diesel engine, which achieves up to 50.4mpg.
The 231PS unit emits 147g/km and can accelerate the A7 to 60mph in 6.5 seconds.
Prices start at £52,240 and the brand says it should appeal to business users.
The engine is paired to a Quattro all-wheel-drive system and features 48V mild-hybrid technology.
Specification includes MMI Navigation Plus with MMI Touch, the Audi Virtual Cockpit and a rear-view camera.
Audi pre-sense front, a lane departure warning system and LED lights front and rear are also standard.
S line versions add 20-inch alloy wheels, sport suspension and HD Matrix LED headlights.
The A7 Sportback 45 TDI Quattro is available to order now.