2021 Mazda CX-5 2.5 SKYACTIV-G GT Sport

Price: £19,995. Fair price: £963 (4%) under the AskCar estimate of £20,958, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,521 priced Mazda CX-5 adverts on AskCar as of 2 November 2026.

AskCar lists 2,594 used Mazda CX-5 from 1,076 UK dealerships, as of 2 November 2026.

Overview

  • Make: Mazda
  • Model: CX-5
  • Trim: GT Sport
  • Version: 2.5 SKYACTIV-G GT Sport Auto 4WD Euro 6 (s/s) 5dr (191 bhp)
  • Year: 2021
  • Mileage: 29,649 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.5 litres, 191 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 182 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 29,649 miles on the clock, this 2021 Mazda CX-5 GT Sport has done roughly 5,600 fewer miles than a typical 2021 Mazda CX-5. The AskCar estimate for this car is £20,958. It is priced at £19,995, which is £963 below that estimate. The AskCar estimate uses UK dealer asking prices, including 2,521 Mazda CX-5 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 43 days ago. Its asking price has since fallen by £495. The seller is EMG Motor Group Boston Mazda, based in Boston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £963 (4%) under the AskCar estimate of £20,958.

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 2,521 priced Mazda CX-5 adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2021 Mazda CX-5 has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 20 September 2026 at £20,490. Its asking price is now £19,995, £495 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 20 September 2026: £20,490
  • 2 October 2026: £20,445
  • 9 October 2026: £20,395
  • 15 October 2026: £20,295
  • 28 October 2026: £19,995

Mileage and MOT

Advertised mileage is about 5,600 miles lower than the median mileage of a 2021 Mazda CX-5 on AskCar.

Similar cars

1 other 2021 Mazda CX-5 GT Sport 2.5 petrol automatic SUV is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

  • 2021 Mazda CX-5 GT Sport, 2.5 petrol SUV, red. Mileage: 38,865 miles. Price: £18,220, £1,775 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mazda-cx-5-2021-00deb865535a

Browse all Mazda CX-5 cars for sale · 2021 Mazda CX-5 price guide

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Photos

55 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.