2018 BMW 3 Series 3.0 340i

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 340i Auto RWD Euro 6 4dr (321 bhp)
• Year: 2018
• Mileage: 24,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 321 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 24,000 miles on the clock, this 2018 BMW 3 Series has done roughly 48,600 fewer miles than a typical 2018 BMW 3 Series. Its asking price of £35,960 is £12,151 above the AskCar estimate of £23,809. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 160 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Scottish Motor Services, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £12,151 (51%) over the AskCar estimate of £23,809.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 3.0 petrol engine is typically advertised at £18,000: the median of the 68 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 160 days. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 269 of the 532 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £35,960. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 March 2027.

It failed its MOT on 27 February 2026 (nearside rear coil spring fractured or broken; offside rear coil spring fractured or broken) and passed 7 days later, on 6 March 2026.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 24,065 miles, which matches the advertised 24,000 miles.

Advertised mileage is about 48,600 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.