Audi A6 Allroad quattro estate (2012-2019) - MPG, running costs & CO2

The Audi A6 Allroad four-wheel-drive system is surprisingly efficient given the impressive performance

Carbuyer Rating

3.2 out of 5

MPG, running costs & CO2 Rating

2.5 out of 5

The A6 Allroad is reasonably economical for its size and practicality. All the engine options are excellent and the quattro four-wheel-drive system doesn’t affect efficiency too badly.

Audi A6 Allroad MPG & CO2

You can choose from three modern, efficient, 3.0-litre diesel engines. The least powerful is the 215bhp TDI, which emits 145g/km of CO2 while taking you up to 51.4 miles per gallon. This engine's performance is certainly less impressive than that of its more powerful counterparts, but it’ll still propel the Allroad from 0-62mph in 7.1 seconds and on to a top speed of 141mph.

Slightly more impressive, and with marginally poorer CO2 emissions of 149g/km and fuel economy of 50.4, is the 268bhp TDI. For an extra £1,500, this brings the 0-62mph time down to 6.2 seconds and increases top speed to 155mph. So not full-on performance-car numbers, but pretty quick for an estate.

Faster still, and coupled to a sophisticated eight-speed automatic transmission, is the twin-turbocharged 316bhp diesel. This’ll do 0-62mph in 5.5 seconds, but it'll cost you – fuel economy drops to 43.5mpg. CO2 emissions are 172g/km and this model costs around £5,000 more than the 268bhp car – before you look at the options list.

Insurance group

The A6 Allroad’s insurance rating goes from group 39 for the entry-level 215bhp version to 44 for the range-topper – so your premiums will be on the high side.

Warranty

All Audi cars come with a three-year/60,000-mile mechanical warranty as well as a three-year paint warranty and a 12-year rust warranty. You also get three years of breakdown cover as standard. You can extend the standard warranty up to five years or 90,000 miles, but this doesn't come cheap – an extra two years cover on the A6 will cost £1,335.

Servicing

Audi boasts a wide network of competent service centres, but they're not cheap, either. The A6 Allroad is a big, expensive car and Audi parts are pricey. Expect to pay over £300 for a full service.

Depending on how you drive your car, you can either choose a fixed service schedule (oil change every 9,000 miles or one year; full service every 19,000 miles or two years) or a flexible service schedule. The latter is more suited to long-distance motorway drivers and uses sensors to detect when the car needs attention. This can extend the oil-change interval up to 19,000 miles or two years.

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