2021 BMW i4 40 M Sport
Price: £29,000. Above the going rate: £2,872 (10%) over the AskCar estimate of £26,128, our expected asking price for this car from its model, age, mileage and specification, drawing on 889 priced BMW i4 adverts on AskCar as of 14 November 2026.
AskCar lists 904 used BMW i4 from 368 UK dealerships, as of 14 November 2026.
Overview
- Make: BMW
- Model: i4
- Trim: M Sport
- Version: 83.9kWh 40 M Sport Auto RWD 5dr Gran Coupe eDrive (335 bhp)
- Year: 2021
- Mileage: 43,000 miles
- Fuel: Electric
- Body: Hatchback, 5 doors, 5 seats
- Engine: 335 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 0 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2021 BMW i4 M Sport is 43,000 miles. Priced at £29,000, it is advertised £2,872 above the AskCar estimate of £26,128. The AskCar estimate uses UK dealer asking prices, including 889 BMW i4 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Cardiff BMW, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 14 November 2026.
Sytner Cardiff BMW is rated 4.4 out of 5 on Google.
Price
Above the going rate: £2,872 (10%) over the AskCar estimate of £26,128.
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 889 priced BMW i4 adverts across different ages and specifications, as of 14 November 2026.
Time on sale
AskCar first saw this 2021 BMW i4 advertised 1 day ago.
Price history
AskCar first saw this advert on 13 November 2026 at £29,000. 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 14 November 2026: valid until 9 December 2026.
It has had 2 MOTs. The latest, on 29 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 32,067 miles, which matches the advertised 43,000 miles.
Similar cars
1 other 2021 BMW i4 M Sport automatic hatchback is for sale at UK dealers, as of 14 November 2026.
The closest to this car in mileage:
- 2021 BMW i4 M Sport, hatchback, red. Mileage: 31,072 miles. Price: £31,950, £2,950 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-i4-2021-805503af82c3
Browse all BMW i4 cars for sale · 2021 BMW i4 price guide
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Photos
20 photos of this car are on its AskCar page.
As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.