2021 Mazda MX-5 2.0 SKYACTIV-G Sport Tech

Overview

• Make: Mazda
• Model: MX-5
• Trim: Sport Tech
• Version: 2.0 SKYACTIV-G Sport Tech Manual RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2021
• Mileage: 23,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda MX-5 Sport Tech has covered 23,000 miles. The dealer is asking £19,000, which is £1,529 below the AskCar estimate of £20,529. To work out the AskCar estimate, we analyse UK dealer adverts for 629 Mazda MX-5 cars across different ages and specifications. The asking price is now £2,000 lower than when we first recorded the advert 158 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Harris Cars in Southampton. 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: £1,529 (7%) under the AskCar estimate of £20,529.

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

Time on sale

This 2021 Mazda MX-5 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £21,000. Its asking price is now £19,000, £2,000 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 29 May 2026: £21,000
• 28 June 2026: £20,000
• 4 October 2026: £19,485
• 1 November 2026: £19,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 April 2027.

It has had 3 MOTs. The latest, on 15 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 22,880 miles, which matches the advertised 23,000 miles.

Advertised mileage is about 900 miles lower than the median mileage of a 2021 Mazda MX-5 on AskCar.

Similar cars

3 other 2021 Mazda MX-5 Sport Tech 2.0 petrol manual convertibles are for sale at UK dealers, from £15,168 to £21,800, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda MX-5 Sport Tech, 2.0 petrol convertible, grey. Mileage: 23,359 miles. Price: £19,295, £295 more than this car. Dealer: SG Petch York in York. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2021-2e5926c061ed
• 2021 Mazda MX-5 Sport Tech, 2.0 petrol convertible, black. Mileage: 18,374 miles. Price: £21,800, £2,800 more than this car. Dealer: TMS Geely Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2021-9f1ecc32fe82
• 2021 Mazda MX-5 Sport Tech, 2.0 petrol convertible, red. Mileage: 72,304 miles. Price: £15,168, £3,832 less than this car. Dealer: Eden Mazda Basingstoke in Basingstoke. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2021-d8eb5a8af709