2018 BMW X3

3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)

£30,450

Fair price: within 8% of the typical £30,188 for this model, age and mileage, drawing on 2,970 adverts of this make and model.

Overview

Make
BMW
Model
X3
Trim
M SPORT
Version
3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
Mileage
6,802 miles
Year
2018
Fuel type
Diesel
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
261 bhp
Seats
5
CO2
157 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30d
Emissions standard
Euro 6

About this car

This 2018 BMW X3 M Sport has covered 6,802 miles, around 57,000 fewer than typical for its age. The dealer is asking £30,450, which is £262 above our market estimate of £30,188. We use UK dealer asking prices, including 2,970 BMW X3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 18 days ago, the asking price has dropped by £500. Its recorded MOT is valid until 23 March 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Sytner Maidenhead BMW, based in Maidenhead.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 October 2026, 18 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £500 from the first recorded £30,950. 1 price reduction recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observedAsking price
3 October 2026£30,950
15 October 2026£30,450
19 October 2026£30,450

Price and mileage comparison

Estimated market asking price: £30,188. The asking price is £262 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 2,970 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 57,000 miles lower than typical for a 2018 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 March 2027. 6,454 miles at the last test.

113 other cars with the same year, trim, gearbox and fuel are for sale from £13,718 to £30,450.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£13,718105,437 miles
£13,950Not available
£13,995116,000 miles
£14,92198,000 miles
£14,99592,000 miles

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 X3 cars for sale · 2018 BMW X3 price guide

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Dealer

Sytner Maidenhead BMW, Maidenhead. Across the dealer network: 140 branches, 10,310 cars for sale.

Dealer postcode: SL6 0BW.

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
09:00-17:00
Sunday
10:00-16:00