2018 Audi A6 Saloon

2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)

£13,290

Above the going rate: £2,170 over the typical £11,120 for this model, age and mileage, drawing on 842 adverts of this make and model.

Overview

Make: Audi
Model: A6 Saloon
Trim: S LINE
Version: 2.0 TDI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)
Mileage: 120,515 miles
Year: 2018
Fuel type: Diesel
Body type: Saloon
Engine: 2.0 L
Gearbox: Automatic
Power: 201 bhp
Seats: 5
CO2: 118 g/km
Colour: Black
Doors: 4
Driven wheels: Front Wheel Drive
Gearbox version: S tronic
Engine badge: TDI
Emissions standard: Euro 6

About this car

This 2018 Audi A6 Saloon S Line has covered 120,515 miles, around 51,600 more than typical for its age. Our estimated market asking price is £11,120. This car is advertised at £13,290, which is £2,170 above that figure. We use UK dealer asking prices, including 842 Audi A6 Saloon listings, and account for the car’s age, mileage and specification. The asking price is now £700 lower than when we first recorded the advert 122 days ago. That history is worth bearing in mind when speaking to the dealer. Its recorded MOT is valid until 29 December 2026, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Autohaven Motors in High Wycombe.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 June 2026, 122 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £700 from the first recorded £13,990. 3 price reductions recorded, the latest observed on 6 October 2026.

Recorded asking prices
Date observed	Asking price
20 June 2026	£13,990
6 July 2026	£13,990
30 August 2026	£13,800
23 September 2026	£13,500
6 October 2026	£13,290
19 October 2026	£13,290

Price and mileage comparison

Estimated market asking price: £11,120. The asking price is £2,170 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 842 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 51,600 miles higher than typical for a 2018 Audi A6 Saloon.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 December 2026. 115,552 miles at the last test.

38 other cars with the same year, trim, gearbox and fuel are for sale from £7,995 to £21,998.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£7,995	115,000 miles
£8,950	180,000 miles
£9,770	100,000 miles
£9,999	103,000 miles
£11,490	131,000 miles

These cars have covered 24,000–180,000 miles, compared with 120,515 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 Saloon cars for sale · 2018 Audi A6 Saloon price guide

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Dealer

Autohaven Motors, High Wycombe. Across the dealer network: 22 cars for sale.

Dealer postcode: HP10 8HG.