2021 BMW 8 Series 3.0 840d MHT M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840d MHT M Sport Auto 4WD Euro 6 2dr (335 bhp)
• Year: 2021
• Mileage: 24,633 miles
• Fuel: Diesel, mild hybrid
• Body: 2 doors, 4 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 8 Series M Sport is advertised with 24,633 miles, approximately 19,100 below the typical mileage for its age. The dealer is asking £36,500, which is £577 below the AskCar estimate of £37,077. To work out the AskCar estimate, we analyse UK dealer adverts for 186 BMW 8 Series cars across different ages and specifications. We first saw this car advertised 92 days ago. Its asking price has since fallen by £3,450. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Warwick BMW, based in Warwick. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £577 (1%) under the AskCar estimate of £37,077.

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 186 priced BMW 8 Series adverts across different ages and specifications, as of 5 November 2026.

A 2021 BMW 8 Series with the 3.0 diesel engine is typically advertised at £32,500: the median of the 23 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 BMW 8 Series has been on sale for at least 92 days.

Price history

AskCar first saw this advert on 5 August 2026 at £39,950. Its asking price is now £36,500, £3,450 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 6 August 2026: £39,950
• 11 August 2026: £38,500
• 5 October 2026: £38,000
• 19 October 2026: £37,000
• 31 October 2026: £36,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 4 August 2027.

It has had 4 MOTs. The latest, on 5 August 2026, passed.

Advisories at the latest test: oil leak, but not excessive; rear inner tyre worn close to legal limit/worn on edge both.

Mileage at that test: 24,652 miles, which matches the advertised 24,633 miles.

Advertised mileage is about 19,100 miles lower than the median mileage of a 2021 BMW 8 Series on AskCar.