2021 Mazda Mazda3 2.0 e-SKYACTIV-G MHEV GT Sport Tech

Version: 2.0 e SKYACTIV-G Mhev GT Sport Tech Manual FWD Euro 6 (s/s) 5dr (120 bhp)

Price: £13,295. Fair price: £125 (under 1%) under the AskCar estimate of £13,420, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,243 priced Mazda Mazda3 adverts on AskCar as of 30 October 2026.

AskCar lists 1,283 used Mazda Mazda3 from 675 UK dealerships, as of 30 October 2026.

Overview

Make
Mazda
Model
Mazda3
Trim
GT Sport Tech
Version
2.0 e SKYACTIV-G Mhev GT Sport Tech Manual FWD Euro 6 (s/s) 5dr (120 bhp)
Mileage
44,000 miles
Year
2021
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Manual
Power
120 bhp
Seats
5
CO2
127 g/km
Colour
Red
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
e-SKYACTIV-G; MHEV
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 44,000 miles on the clock, this 2021 Mazda Mazda3 GT Sport Tech has done roughly 12,000 more miles than a typical 2021 Mazda Mazda3. The AskCar estimate for this car is £13,420. It is priced at £13,295, which is £125 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,243 Mazda Mazda3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 2 days ago. MOT records show an expiry date of 29 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Stevenage Cars, based in Stevenage.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 28 October 2026, 2 days ago.

Recorded asking prices
Date observedAsking price
28 October 2026£13,295
30 October 2026£13,295

Price and mileage comparison

Fair price: £125 (under 1%) under the AskCar estimate of £13,420.

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 1,243 priced Mazda Mazda3 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 12,000 miles higher than the median mileage of a 2021 Mazda Mazda3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 29 July 2027. 43,795 miles at the last test.

Other matching cars

7 other 2021 Mazda Mazda3 GT Sport Tech manual petrol cars are for sale at UK dealers from £11,110 to £16,995, as of 30 October 2026.

The 5 cheapest:

The 7 matching cars have covered 10,205 to 84,634 miles, compared with 44,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

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Photos

17 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.