2018 Audi Q8

3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (282 bhp)

£23,450

Fair price: within 8% of the typical £22,494 for this model, age and mileage, drawing on 430 adverts of this make and model.

Overview

Make
Audi
Model
Q8
Trim
S LINE
Version
3.0 TDI V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr (282 bhp)
Mileage
115,000 miles
Year
2018
Fuel type
Diesel Hybrid
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
282 bhp
Seats
5
CO2
178 g/km
Colour
Blue
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
Tiptronic
Engine badge
TDI V6
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2018 Audi Q8 S Line is advertised with 115,000 miles, approximately 46,600 above the typical mileage for its age. Our estimated market asking price is £22,494. This car is advertised at £23,450, which is £956 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 430 Audi Q8 cars across different ages and specifications. The asking price is now £1,495 lower than when we first recorded the advert 90 days ago. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 29 November 2026, with the advertised mileage consistent with the recorded reading. It is for sale at Boss Motor Company in Chesham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 July 2026, 90 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,495 from the first recorded £24,945. 3 price reductions recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observedAsking price
22 July 2026£24,945
23 July 2026£24,945
19 August 2026£24,450
29 September 2026£23,950
14 October 2026£23,450
19 October 2026£23,450

Price and mileage comparison

Estimated market asking price: £22,494. The asking price is £956 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 430 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 46,600 miles higher than typical for a 2018 Audi Q8.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 November 2026. 102,989 miles at the last test.

19 other cars with the same year, trim, gearbox and fuel are for sale from £25,990 to £39,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£25,99083,454 miles
£26,99586,919 miles
£27,99577,000 miles
£28,29864,230 miles
£28,450100,000 miles

These cars have covered 27,707–100,000 miles, compared with 115,000 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 Q8 cars for sale · 2018 Audi Q8 price guide

Dealer

Boss Motor Company, Chesham. Across the dealer network: 36 cars for sale.

Dealer postcode: HP5 3QW.

Dealer opening hours

Monday
09:00-17:30
Tuesday
09:00-17:30
Wednesday
09:00-17:30
Thursday
09:00-17:30
Friday
09:00-17:30
Saturday
09:00-17:00
Sunday
Closed

Vehicle photos