2020 BMW 1 Series

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

£20,998

Fair price: within 8% of the typical £22,196 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: 45,814 miles
Year: 2020
Fuel type: Petrol
Body type: Hatchback
Engine: 2.0 L
Gearbox: Automatic
Power: 302 bhp
Seats: 5
CO2: 172 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: M135i
Emissions standard: Euro 6

About this car

At 45,814 miles, this 2020 BMW 1 Series has covered about 3,000 fewer miles than other 2020 BMW 1 Series cars. The dealer is asking £20,998, which is £1,198 below our market estimate of £22,196. Our estimate draws on 7,021 BMW 1 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 12 days. Its recorded MOT is valid until 7 November 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at CarSupermarket.com Bristol in Bristol, City of.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 October 2026, 12 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
9 October 2026	£20,998
20 October 2026	£20,998

Price and mileage comparison

Estimated market asking price: £22,196. The asking price is £1,198 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 3,000 miles lower than typical for a 2020 BMW 1 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 7 November 2027. 45,814 miles at the last test.

145 other cars with the same year, trim, gearbox and fuel are for sale from £13,194 to £26,980.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£13,194	84,332 miles
£14,495	91,500 miles
£14,990	80,000 miles
£16,490	74,000 miles
£16,550	67,115 miles

These cars have covered 17,894–91,500 miles, compared with 45,814 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 · 2020 BMW 1 Series price guide

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Dealer

CarSupermarket.com Bristol, Bristol, City of. Across the dealer network: 14 branches, 1,360 cars for sale.

Dealer postcode: BS4 5NL.