2021 Mazda Mazda3 2.0 e-SKYACTIV-G MHEV SE L LUX

Price: £14,500. Fair price: £625 (4%) over the AskCar estimate of £13,875, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,237 priced Mazda Mazda3 adverts on AskCar as of 7 November 2026.

AskCar lists 1,285 used Mazda Mazda3 from 678 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mazda
  • Model: Mazda3
  • Trim: SE L LUX
  • Version: 2.0 e SKYACTIV-G Mhev SE L LUX Auto FWD Euro 6 (s/s) 5dr (120 bhp)
  • Year: 2021
  • Mileage: 36,867 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 120 bhp
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 138 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,867 miles, this 2021 Mazda Mazda3 SE L Lux has covered about 4,600 more miles than other 2021 Mazda Mazda3 cars. The dealer is asking £14,500, which is £625 above the AskCar estimate of £13,875. To work out the AskCar estimate, we analyse UK dealer adverts for 1,237 Mazda Mazda3 cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Nunns Mazda in Grimsby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £625 (4%) over the AskCar estimate of £13,875.

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 1,237 priced Mazda Mazda3 adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mazda Mazda3 with the 2.0 petrol engine is typically advertised at £14,500: the median of the 48 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 Mazda Mazda3 advertised today. About 6 in 10 of 2021 Mazda Mazda3 cars are gone from sale within a month of being advertised: 74 of the 133 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £14,500. 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 7 November 2026: valid until 15 November 2026.

It has had 2 MOTs. The latest, on 3 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,279 miles, which matches the advertised 36,867 miles.

Advertised mileage is about 4,600 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

Similar cars

3 other 2021 Mazda Mazda3 SE L LUX 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,595 to £14,790, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda Mazda3 SE L LUX, 2.0 petrol hatchback, grey. Mileage: 32,943 miles. Price: £14,599, £99 more than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-df95631dafb9
  • 2021 Mazda Mazda3 SE L LUX, 2.0 petrol hatchback, white. Mileage: 25,050 miles. Price: £14,595, £95 more than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-5c9221c93635
  • 2021 Mazda Mazda3 SE L LUX, 2.0 petrol hatchback, red. Mileage: 19,018 miles. Price: £14,790, £290 more than this car. Dealer: Johnsons Mazda Solihull in Solihull. AskCar page: https://askcar.co.uk/car/mazda-mazda3-2021-a7680b51760c

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

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Photos

4 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.