2021 BMW 1 Series

2.0 M135i Auto 4WD Euro 6 (s/s) 5dr (302 bhp)

£23,495

Fair price: within 8% of the typical £24,111 for this model, age and mileage, drawing on 7,021 adverts of this make and model.

Overview

Make: BMW
Model: 1 Series
Version: 2.0 M135i Auto 4WD Euro 6 (s/s) 5dr (302 bhp)
Mileage: 35,000 miles
Year: 2021
Fuel type: Petrol
Body type: Hatchback
Engine: 2.0 L
Gearbox: Automatic
Power: 302 bhp
Seats: 5
CO2: 172 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: M135i
Emissions standard: Euro 6

About this car

At 35,000 miles, this 2021 BMW 1 Series has covered about 7,400 fewer miles than other 2021 BMW 1 Series cars. Its asking price of £23,495 is £616 below our estimate of £24,111. To estimate its market asking price, we analyse UK dealer adverts for 7,021 BMW 1 Series cars across different ages and specifications. We first recorded this advert 21 days ago, and its asking price has since fallen by £300. Its MOT is recorded as valid until 29 September 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Tonge Car Sales in Bolton.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 21 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £300 from the first recorded £23,795. 2 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observed	Asking price
30 September 2026	£23,795
11 October 2026	£23,995
14 October 2026	£23,795
17 October 2026	£23,495
20 October 2026	£23,495

Price and mileage comparison

Estimated market asking price: £24,111. The asking price is £616 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 7,021 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 7,400 miles lower than typical for a 2021 BMW 1 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 September 2027. 35,326 miles at the last test.

147 other cars with the same year, trim, gearbox and fuel are for sale from £12,995 to £28,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£12,995	135,000 miles
£13,990	58,976 miles
£14,490	75,815 miles
£15,263	40,049 miles
£15,940	49,327 miles

These cars have covered 11,106–135,000 miles, compared with 35,000 miles for this car.

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 1 Series cars for sale · 2021 BMW 1 Series price guide

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Dealer

Tonge Car Sales, Bolton. Across the dealer network: 32 cars for sale.

Dealer postcode: BL4 9EH.