2018 BMW X3

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

£22,849

Good value: £3,674 under the typical £26,523 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
31,414 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
Blue
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30d
Emissions standard
Euro 6

About this car

At 31,414 miles, this 2018 BMW X3 M Sport has covered about 32,300 fewer miles than other 2018 BMW X3 cars. Its asking price of £22,849 is £3,674 below our estimate of £26,523. The estimate uses 2,970 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 145 days ago, and its asking price has since fallen by £2,151. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 22 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Carbase Weston-super-Mare, based in Weston-Super-Mare.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 145 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £2,151 from the first recorded £25,000. 26 price reductions recorded, the latest observed on 13 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£25,000
2 June 2026£25,482
3 June 2026£25,423
4 June 2026£25,460
5 June 2026£25,447
8 June 2026£25,408
16 June 2026£25,000
18 June 2026£25,346
19 June 2026£25,219
22 June 2026£25,000
23 June 2026£24,799
24 June 2026£24,881
30 June 2026£25,000
2 July 2026£24,875
3 July 2026£24,751
4 July 2026£24,745
6 July 2026£24,709
7 July 2026£24,709
9 July 2026£24,524
11 July 2026£24,510
13 July 2026£24,424
18 July 2026£24,138
21 July 2026£24,186
24 July 2026£24,064
27 July 2026£24,021
31 July 2026£23,774
4 August 2026£23,770
6 August 2026£23,742
8 August 2026£23,746
14 August 2026£23,731
19 August 2026£23,745
21 August 2026£23,731
22 August 2026£23,718
25 August 2026£23,691
27 August 2026£23,356
29 August 2026£23,347
2 September 2026£23,408
24 September 2026£23,057
29 September 2026£23,020
30 September 2026£23,017
1 October 2026£22,973
9 October 2026£22,885
13 October 2026£22,849
19 October 2026£22,849

Price and mileage comparison

Estimated market asking price: £26,523. The asking price is £3,674 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 2,970 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 32,300 miles lower than typical for a 2018 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 February 2027. 30,695 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

Similar cars for less

Dealer

Carbase Weston-super-Mare, Weston-Super-Mare. Across the dealer network: 3 branches, 1,878 cars for sale.

Dealer postcode: BS22 8NA.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
08:30-18:00
Sunday
10:00-17:00

Vehicle photos