2021 Mazda Mazda3 2.0 e-SKYACTIV-X MHEV Sport LUX

Price: £15,199. Good value: £1,457 (8%) under the AskCar estimate of £16,656, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,226 priced Mazda Mazda3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,275 used Mazda Mazda3 from 671 UK dealerships, as of 2 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: Sport LUX
  • Version: 2.0 e-Skyactiv-X Mhev Sport LUX Auto FWD Euro 6 5dr (186) (183 bhp)
  • Year: 2021
  • Mileage: 27,344 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 183 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 27,344 miles on the clock, this 2021 Mazda Mazda3 Sport Lux has done roughly 2,200 fewer miles than a typical 2021 Mazda Mazda3. The dealer is asking £15,199, which is £1,457 below the AskCar estimate of £16,656. To work out the AskCar estimate, we analyse UK dealer adverts for 1,226 Mazda Mazda3 cars across different ages and specifications. The asking price is now £1,200 lower than when we first recorded the advert 143 days ago. Our records show an MOT expiry date of 30 July 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. The seller is HPL Stockport, based in Stockport. 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

Good value: £1,457 (8%) under the AskCar estimate of £16,656.

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 1,226 priced Mazda Mazda3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,700: the median of the 50 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Mazda Mazda3 has been on sale for at least 143 days.

Price history

AskCar first saw this advert on 12 June 2026 at £16,399. Its asking price is now £15,199, £1,200 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 7 July 2026: £16,399
  • 29 October 2026: £15,199

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 30 July 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 25 July 2025, passed.

Advisories at the latest test: nearside rear coil spring corroded; offside rear coil spring corroded.

Mileage at that test: 24,101 miles, which matches the advertised 27,344 miles.

Advertised mileage is about 2,200 miles lower than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

1 other 2021 Mazda Mazda3 Sport LUX 2.0 petrol automatic hatchback is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

  • 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, red. Mileage: 17,091 miles. Price: £15,949, £750 more than this car. Dealer: Motorpoint Derby in Derby. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-baa8a8e5e519

Browse all Mazda Mazda3 cars for sale · 2021 Mazda Mazda3 price guide

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Photos

28 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.