2021 Mazda MX-5 2.0 SKYACTIV-G 100TH Anniversary Edition

Overview

• Make: Mazda
• Model: MX-5
• Trim: 100TH Anniversary Edition
• Version: 2.0 SKYACTIV-G 100TH Anniversary Edition Manual RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2021
• Mileage: 48,042 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: White
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda MX-5 100Th Anniversary Edition is advertised with 48,042 miles, approximately 23,700 above the typical mileage for its age. The AskCar estimate for this car is £18,952. It is priced at £18,745, which is £207 below that estimate. The AskCar estimate draws on 652 Mazda MX-5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 96 days ago. Its asking price has since fallen by £250. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Rallysport Automotive in Colchester. 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: £207 (1%) under the AskCar estimate of £18,952.

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 652 priced Mazda MX-5 adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2021 Mazda MX-5 has been on sale for at least 96 days.

Price history

AskCar first saw this advert on 2 August 2026 at £18,995. Its asking price is now £18,745, £250 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 2 August 2026: £18,995
• 28 August 2026: £18,945
• 10 September 2026: £18,895
• 4 October 2026: £18,845
• 13 October 2026: £18,795
• 28 October 2026: £18,745

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 April 2027.

It has had 4 MOTs. The latest, on 4 August 2026, failed.

It failed on: nearside direction indicator not working.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge 205/45/17; nearside front tyre worn close to legal limit/worn on edge; offside rear upper suspension arm pin or bush worn but not resulting in excessive movement front rose joint; and 1 more.

Mileage at that test: 48,048 miles, which matches the advertised 48,042 miles.

Advertised mileage is about 23,700 miles higher than the median mileage of a 2021 Mazda MX-5 on AskCar.