2021 Mazda CX-30 2.0 GT Sport Tech

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: 36,129 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 183 bhp
• Gearbox: Manual
• Colour: Blue
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Mazda CX-30 GT Sport Tech is 36,129 miles. Its asking price of £13,770 is £964 below the AskCar estimate of £14,734. 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 22 days ago. Its asking price has since fallen by £950. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Big Motoring World Leeds, based in Leeds. 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: £964 (6%) under the AskCar estimate of £14,734.

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 22 days.

Price history

AskCar first saw this advert on 13 October 2026 at £14,720. Its asking price is now £13,770, £950 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 13 October 2026: £14,720
• 16 October 2026: £14,710
• 17 October 2026: £14,690
• 19 October 2026: £14,370
• 24 October 2026: £13,880
• 28 October 2026: £13,910
• 3 November 2026: £13,770

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 October 2027.

It has had 3 MOTs. The latest, on 14 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,134 miles, which matches the advertised 36,129 miles.

Advertised mileage is about 100 miles higher 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, blue. Mileage: 36,295 miles. Price: £13,995, £225 more than this car. Dealer: Park's Coatbridge Renault / Dacia in Coatbridge. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-4d817bd73d0b
• 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey. Mileage: 38,493 miles. Price: £15,478, £1,708 more than this car. Dealer: Vertu Hyundai Edinburgh West in Edinburgh. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-5ce555195d52
• 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey. Mileage: 33,211 miles. Price: £16,495, £2,725 more than this car. Dealer: Struans Mazdasubaru in Perth. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-16fa57a35d4a

• The nearest: 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey, 10 miles from this car. Mileage: 48,088 miles. Price: £13,149, £621 less than this car. Dealer: Motorpoint Castleford in Castleford. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-2b8e7bb16b61