2018 BMW 8 Series

3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)

£28,990

Fair price: within 8% of the typical £31,315 for this model, age and mileage, drawing on 180 adverts of this make and model.

Overview

Make
BMW
Model
8 Series
Version
3.0 840d Steptronic 4WD Euro 6 (s/s) 2dr (316 bhp)
Mileage
40,100 miles
Year
2018
Fuel type
Diesel
Body type
Coupe
Engine
3.0 L
Gearbox
Automatic
Power
316 bhp
Seats
4
CO2
160 g/km
Colour
Blue
Doors
2
Driven wheels
Four Wheel Drive
Gearbox version
Steptronic
Engine badge
840d
Emissions standard
Euro 6

About this car

At 40,100 miles, this 2018 BMW 8 Series has covered about 18,900 fewer miles than other 2018 BMW 8 Series cars. Its asking price of £28,990 is £2,325 below our estimate of £31,315. The estimate uses 180 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 148 days ago, the asking price has dropped by £600. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 13 November 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is S James Prestige, based in Stamford.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 148 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £600 from the first recorded £29,590. 1 price reduction recorded, the latest observed on 19 June 2026.

Recorded asking prices
Date observedAsking price
29 May 2026£29,590
19 June 2026£28,990
10 July 2026£28,990
22 October 2026£28,990

Price and mileage comparison

Estimated market asking price: £31,315. The asking price is £2,325 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 180 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 18,900 miles lower than typical for a 2018 BMW 8 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 13 November 2026. 38,828 miles at the last test.

14 other cars with the same year, trim, gearbox and fuel are for sale from £22,490 to £30,690.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£22,49093,100 miles
£22,99592,000 miles
£23,99593,000 miles
£25,91269,000 miles
£25,95069,861 miles

These cars have covered 42,001–93,100 miles, compared with 40,100 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 BMW 8 Series cars for sale · 2018 BMW 8 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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