2018 BMW X3

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

£23,800

Good value: £3,362 under the typical £27,162 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
26,595 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 26,595 miles, this 2018 BMW X3 M Sport has covered about 37,200 fewer miles than other 2018 BMW X3 cars. The dealer is asking £23,800, which is £3,362 below our market estimate of £27,162. Our estimate draws on 2,970 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 145 days ago, the asking price has dropped by £2,550. That may be worth mentioning if you discuss the price with the dealer. Its MOT is recorded as valid until 18 August 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Car Planet Watford in Rickmansworth.

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: £2,550 from the first recorded £26,350. 17 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£26,350
3 June 2026£26,200
16 June 2026£26,150
22 June 2026£26,000
6 July 2026£25,900
7 July 2026£25,900
13 July 2026£25,750
20 July 2026£25,600
21 July 2026£25,600
27 July 2026£25,550
28 July 2026£25,550
3 August 2026£25,500
10 August 2026£25,450
11 August 2026£25,450
23 August 2026£25,400
1 September 2026£25,450
8 September 2026£25,350
15 September 2026£25,300
22 September 2026£25,000
28 September 2026£24,700
4 October 2026£24,400
9 October 2026£24,100
16 October 2026£23,800
19 October 2026£23,800

Price and mileage comparison

Estimated market asking price: £27,162. The asking price is £3,362 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 37,200 miles lower than typical for a 2018 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 August 2027. 26,726 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

Car Planet Watford, Rickmansworth. Across the dealer network: 2 branches, 1,860 cars for sale.

Dealer postcode: WD3 3RT.

Dealer opening hours

Monday
09:00-21:00
Tuesday
09:00-21:00
Wednesday
09:00-21:00
Thursday
09:00-21:00
Friday
09:00-21:00
Saturday
09:00-21:00
Sunday
10:00-17:00

Vehicle photos