2021 Mazda CX-30 2.0 GT Sport Tech

Price: £16,110. Fair price: £50 (under 1%) over the AskCar estimate of £16,060, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,559 priced Mazda CX-30 adverts on AskCar as of 4 November 2026.

AskCar lists 1,584 used Mazda CX-30 from 530 UK dealerships, as of 4 November 2026.

Overview

  • Make: Mazda
  • Model: CX-30
  • Trim: GT Sport Tech
  • Version: 2.0 Mhev GT Sport Tech Manual Euro 6 (s/s) 5dr (183 bhp)
  • Year: 2021
  • Mileage: 20,639 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 183 bhp
  • Gearbox: Manual
  • Colour: Red
  • CO2: 128 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,639 miles on the clock, this 2021 Mazda CX-30 GT Sport Tech has done roughly 15,400 fewer miles than a typical 2021 Mazda CX-30. Its asking price of £16,110 is £50 above the AskCar estimate of £16,060. The AskCar estimate uses 1,559 UK dealer adverts for the Mazda CX-30, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 52 days ago. Its asking price has since fallen by £786. The government's MOT record matches its advertised mileage. It is advertised by Bentley Motor Group in Keighley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £50 (under 1%) over the AskCar estimate of £16,060.

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 1,559 priced Mazda CX-30 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Mazda CX-30 with the 2.0 petrol engine is typically advertised at £13,900: the median of the 110 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Mazda CX-30 has been on sale for at least 52 days.

Price history

AskCar first saw this advert on 13 September 2026 at £16,896. Its asking price is now £16,110, £786 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

  • 13 September 2026: £16,896
  • 26 September 2026: £16,459
  • 17 October 2026: £16,110

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 November 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: 18,562 miles, which matches the advertised 20,639 miles.

Advertised mileage is about 15,400 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

19 other 2021 Mazda CX-30 GT Sport Tech 2.0 petrol manual SUVs are for sale at UK dealers, from £11,260 to £18,000, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey. Mileage: 28,278 miles. Price: £18,000, £1,890 more than this car. Dealer: Northampton Motors in Northampton. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-2de3361f04c9
  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, red. Mileage: 31,121 miles. Price: £16,000, £110 less than this car. Dealer: Stoneacre Gateshead Mazda in Gateshead. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-0abf29c00a98
  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, red. Mileage: 31,139 miles. Price: £16,995, £885 more than this car. Dealer: Magna Mazda Salisbury in Salisbury. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-db31f884b7c3
  • The nearest: 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, blue, 16 miles from this car. Mileage: 36,129 miles. Price: £13,770, £2,340 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-c58b8758959f

Browse all Mazda CX-30 cars for sale · 2021 Mazda CX-30 price guide

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Photos

30 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.