The Audi A6 and A7 are now available with the 40 TDI diesel engine, with models able to be ordered now.
The 2.0-litre four-cylinder engine produces 201bhp and is paired to a seven-speed S tronic automatic transmission, with the models initially available with front-wheel drive. Quattro all-wheel drive will be introduced later in 2018.
As with the other models in both A6 and A7 ranges, the 40 TDI engine is part of a mild-hybrid setup that uses a belt alternator starter to recover energy under braking and can allow the car to coast between speeds of 34mph and 99mph.
For the A6 Saloon and A7 Sportback, the engine allows both cars to reach a top speed of 152mph, while the A6 Avant estate model can achieve 149mph. All models can go from 0-60mph in around eight seconds.
All of the models with this engine can achieve upwards of 60mpg.
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The 40 TDI is fitted to Sport and S line models, with prices for the A6 Saloon version starting from £38,640. The A6 Avant 40 TDI starts from £40,470 and the A7 Sportback option has a starting price of £47,140.
A6 deliveries will begin in September, while A7 customers will have to wait until November for their cars to arrive.
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