2020 BMW 1 Series

1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (138 bhp)

£18,300

Fair price: within 8% of the typical £18,635 for this model, age and mileage, drawing on 7,021 adverts of this make and model.

Overview

Make: BMW
Model: 1 Series
Trim: M SPORT
Version: 1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (138 bhp)
Mileage: 28,341 miles
Year: 2020
Fuel type: Petrol
Body type: Hatchback
Engine: 1.5 L
Gearbox: Automatic
Power: 138 bhp
Seats: 5
CO2: 145 g/km
Colour: Grey
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Engine badge: 118i
Emissions standard: Euro 6

About this car

This 2020 BMW 1 Series M Sport is advertised with 28,341 miles, approximately 20,500 below the typical mileage for its age. The dealer is asking £18,300, which is £335 below our market estimate of £18,635. Our estimate draws on 7,021 BMW 1 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 51 days ago. The latest MOT record shows an expiry date of 27 August 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Berry Chiswick BMW in Brentford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 1 September 2026, 51 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observed	Asking price
1 September 2026	£18,300
20 October 2026	£18,300

Price and mileage comparison

Estimated market asking price: £18,635. The asking price is £335 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 20,500 miles lower than typical for a 2020 BMW 1 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 August 2027. 28,289 miles at the last test.

182 other cars with the same year, trim, gearbox and fuel are for sale from £10,499 to £20,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£10,499	105,000 miles
£10,946	131,863 miles
£11,950	98,000 miles
£12,499	91,000 miles
£12,699	99,000 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 1 Series cars for sale · 2020 BMW 1 Series price guide

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Dealer

Berry Chiswick BMW, Brentford. Across the dealer network: 117 cars for sale.

Dealer postcode: TW8 9DD.