2018 BMW 3 Series

1.5 318i Sport Auto RWD Euro 6 (s/s) 4dr (134 bhp)

£6,000

Far under the typical £9,555 for this model, age and mileage, drawing on 6,811 adverts of this make and model: £3,555 less. Worth asking why.

Overview

Make: BMW
Model: 3 Series
Trim: SPORT
Version: 1.5 318i Sport Auto RWD Euro 6 (s/s) 4dr (134 bhp)
Mileage: 79,882 miles
Year: 2018
Fuel type: Petrol
Body type: Saloon
Engine: 1.5 L
Gearbox: Automatic
Power: 134 bhp
Seats: 5
CO2: 122 g/km
Colour: Red
Doors: 4
Driven wheels: Rear Wheel Drive
Engine badge: 318i
Emissions standard: Euro 6

About this car

At 79,882 miles, this 2018 BMW 3 Series Sport has covered about 6,600 more miles than other 2018 BMW 3 Series cars. The dealer is asking £6,000, which is £3,555 below our market estimate of £9,555. We recommend confirming the advertised price and vehicle details. The estimate uses 6,811 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 60 days ago. Its asking price has since fallen by £500. The latest MOT record shows an expiry date of 12 May 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Oak View Car Sales in Ashford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 August 2026, 60 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £500 from the first recorded £6,500. 1 price reduction recorded, the latest observed on 23 August 2026.

Recorded asking prices
Date observed	Asking price
22 August 2026	£6,500
23 August 2026	£6,000
20 October 2026	£6,000

Price and mileage comparison

Estimated market asking price: £9,555. The asking price is £3,555 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 6,811 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,600 miles higher than typical for a 2018 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 May 2027. 74,603 miles at the last test.

20 other cars with the same year, trim, gearbox and fuel are for sale from £6,995 to £13,999.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£6,995	94,013 miles
£7,750	111,900 miles
£8,728	102,000 miles
£9,400	83,018 miles
£9,495	89,332 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 3 Series cars for sale · 2018 BMW 3 Series price guide

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Dealer

Oak View Car Sales, Ashford. Across the dealer network: 35 cars for sale.

Dealer postcode: TN17 4PL.