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

Price: £15,490. Fair price: £565 (3%) over the AskCar estimate of £14,925, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,241 priced Mazda Mazda3 adverts on AskCar as of 4 November 2026.

AskCar lists 1,279 used Mazda Mazda3 from 675 UK dealerships, as of 4 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: Sport LUX
  • Version: 2.0 e-SKYACTIV-X Mhev Sport LUX Manual FWD Euro 6 (s/s) 5dr (183 bhp)
  • Year: 2021
  • Mileage: 31,732 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 183 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 120 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda Mazda3 Sport Lux has covered 31,732 miles, around 2,300 more miles than is typical for its age. Its asking price of £15,490 is £565 above the AskCar estimate of £14,925. The AskCar estimate draws on 1,241 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 64 days. The latest recorded MOT expiry date is 28 October 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Saltmarine Cars in Dungannon. 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: £565 (3%) over the AskCar estimate of £14,925.

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 1,241 priced Mazda Mazda3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,800: the median of the 47 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Mazda Mazda3 has been on sale for at least 64 days.

Price history

AskCar first saw this advert on 1 September 2026 at £15,490. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 28 October 2026; ask the dealer for the current MOT.

It has had one MOT, on 29 October 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 25,278 miles, which matches the advertised 31,732 miles.

Advertised mileage is about 2,300 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

13 other 2021 Mazda Mazda3 Sport LUX 2.0 petrol manual hatchbacks are for sale at UK dealers, from £9,699 to £16,281, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, grey. Mileage: 27,553 miles. Price: £13,499, £1,991 less than this car. Dealer: Park's Land Rover Inverness in Inverness. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-6a7364461dd1
  • 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, grey. Mileage: 27,385 miles. Price: £15,490, the same price as this car. Dealer: Richmond Motor Group Geely Portsmouth in Fareham. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-d51b8c30ab49
  • 2021 Mazda Mazda3 Sport LUX, 2.0 petrol hatchback, silver. Mileage: 26,145 miles. Price: £14,990, £500 less than this car. Dealer: SDM Mazda in Falkirk. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-4abfbeb76ef1

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

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Photos

41 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.