2015 Audi A6 Avant

3.0 TDI S Line S tronic 4WD Euro 6 5dr (268 bhp)

£10,990

Fair price: within 8% of the typical £10,971 for this model, age and mileage, drawing on 784 adverts of this make and model.

Overview

Make: Audi
Model: A6 Avant
Trim: S LINE
Version: 3.0 TDI S Line S tronic 4WD Euro 6 5dr (268 bhp)
Mileage: 114,000 miles
Year: 2015
Fuel type: Diesel
Body type: Estate
Engine: 3.0 L
Gearbox: Automatic
Power: 268 bhp
Seats: 5
CO2: 138 g/km
Colour: Blue
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: S tronic
Emissions standard: Euro 6

About this car

At 114,000 miles, this 2015 Audi A6 Avant S Line has covered about 22,000 more miles than other 2015 Audi A6 Avant cars. Its asking price of £10,990 is £19 above our estimate of £10,971. The estimate uses 784 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 57 days. Its MOT is recorded as valid until 29 March 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Best4U Motors in Brentwood.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 August 2026, 57 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
9 October 2026	£10,990
20 October 2026	£10,990

Price and mileage comparison

Estimated market asking price: £10,971. The asking price is £19 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 784 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 22,000 miles higher than typical for a 2015 Audi A6 Avant.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 March 2027. 113,577 miles at the last test.

17 other cars with the same year, trim, gearbox and fuel are for sale from £7,590 to £18,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£7,590	156,937 miles
£8,195	115,649 miles
£8,495	132,090 miles
£8,995	116,767 miles
£9,290	108,000 miles

These cars have covered 25,000–156,937 miles, compared with 114,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A6 Avant cars for sale · 2015 Audi A6 Avant price guide

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Dealer

Best4U Motors, Brentwood. Across the dealer network: 44 cars for sale.

Dealer postcode: CM13 3HD.