2021 BMW 1 Series 2.0 M135i

Overview

• Make: BMW
• Model: 1 Series
• Version: 2.0 M135i Auto 4WD Euro 6 (s/s) 5dr (302 bhp)
• Year: 2021
• Mileage: 51,234 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 302 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 51,234 miles on the clock, this 2021 BMW 1 Series has done roughly 9,100 more miles than a typical 2021 BMW 1 Series. The dealer is asking £20,979, which is £688 below the AskCar estimate of £21,667. To work out the AskCar estimate, we analyse UK dealer adverts for 7,138 BMW 1 Series cars across different ages and specifications. Since we first spotted the advert 51 days ago, the asking price has dropped by £510. Its advertised mileage matches the government's MOT record. It is advertised by The Car Guys in Dunstable. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £688 (3%) under the AskCar estimate of £21,667.

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 7,138 priced BMW 1 Series adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW 1 Series with the 2.0 petrol engine is typically advertised at £21,500: the median of the 190 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 BMW 1 Series has been on sale for at least 51 days.

Price history

AskCar first saw this advert on 18 September 2026 at £21,489. Its asking price is now £20,979, £510 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 18 September 2026: £21,489
• 30 October 2026: £20,979

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 14 January 2027.

It has had 2 MOTs. The latest, on 15 January 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing outside sidewall damage; offside rear tyre slightly damaged/cracking or perishing outside sidewall damage.

Mileage at that test: 48,247 miles, which matches the advertised 51,234 miles.

Advertised mileage is about 9,100 miles higher than the median mileage of a 2021 BMW 1 Series on AskCar.