2021 Mazda Mazda6 2.5 SKYACTIV-G GT Sport

Overview

• Make: Mazda
• Model: Mazda6
• Trim: GT Sport
• Version: 2.5 SKYACTIV-G GT Sport Auto FWD Euro 6 (s/s) 5dr Tourer (191 bhp)
• Year: 2021
• Mileage: 76,398 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.5 litres, 191 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda Mazda6 GT Sport is advertised with 76,398 miles, approximately 26,200 above the typical mileage for its age. Its asking price of £14,790 is £609 above the AskCar estimate of £14,181. The AskCar estimate uses UK dealer asking prices, including 391 Mazda Mazda6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 29 days ago. Its asking price has since fallen by £150. The government's MOT record matches its advertised mileage. You can find this car at Dace Motor Company - Trading Standards Approved in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £609 (4%) over the AskCar estimate of £14,181.

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 391 priced Mazda Mazda6 adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 Mazda Mazda6 has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 8 October 2026 at £14,940. Its asking price is now £14,790, £150 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 8 October 2026: £14,940
• 3 November 2026: £14,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 19 June 2027.

It has had 4 MOTs. The latest, on 11 June 2026, passed.

Advisories at the latest test: offside rear child seat fitted not allowing full inspection of adult belt; nearside rear suspension arm pin or bush worn but not resulting in excessive movement; front brake disc worn, pitted or scored, but not seriously weakened both sides; and 1 more.

Mileage at that test: 74,926 miles, which matches the advertised 76,398 miles.

Advertised mileage is about 26,200 miles higher than the median mileage of a 2021 Mazda Mazda6 on AskCar.

Similar cars

1 other 2021 Mazda Mazda6 GT Sport 2.5 petrol automatic estate is for sale at UK dealers, as of 6 November 2026.

The closest to this car in mileage:

• 2021 Mazda Mazda6 GT Sport, 2.5 petrol estate, red. Mileage: 48,550 miles. Price: £17,899, £3,109 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mazda-mazda6-2021-0f6c9bafbc59