2018 Audi A6 Saloon

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

£18,495

Fair price: within 8% of the typical £19,084 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
34,280 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
Blue
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

With 34,280 miles on the clock, this 2018 Audi A6 Saloon S Line has done roughly 34,600 fewer miles than a typical 2018 Audi A6 Saloon. Our estimated market asking price is £19,084. This car is advertised at £18,495, which is £589 below that figure. Our estimate draws on 842 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 130 days ago, and its asking price has since fallen by £1,500. That history is worth bearing in mind when speaking to the dealer. The latest MOT record shows an expiry date of 15 June 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Days Motorpark in Swansea.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 June 2026, 130 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,500 from the first recorded £19,995. 2 price reductions recorded, the latest observed on 12 September 2026.

Recorded asking prices
Date observedAsking price
7 July 2026£19,995
15 August 2026£19,495
12 September 2026£18,495
19 October 2026£18,495

Price and mileage comparison

Estimated market asking price: £19,084. The asking price is £589 below 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 34,600 miles lower than typical for a 2018 Audi A6 Saloon.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 15 June 2027. 34,275 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 priceMileage
£7,995115,000 miles
£8,950180,000 miles
£9,770100,000 miles
£9,999103,000 miles
£11,490131,000 miles

These cars have covered 24,000–180,000 miles, compared with 34,280 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

Days Motorpark, Swansea. Across the dealer network: 3 branches, 522 cars for sale.

Dealer postcode: SA6 8HR.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
08:30-17:00
Sunday
10:00-16:00

Vehicle photos