2021 Mazda Mazda3

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

£15,495

Fair price: within 8% of the typical £15,297 for this model, age and mileage, drawing on 1,230 adverts of this make and model.

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: 23,520 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: Grey
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: e-SKYACTIV-G; MHEV
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

This 2021 Mazda Mazda3 GT Sport Tech is advertised with 23,520 miles, approximately 9,500 below the typical mileage for its age. Our estimated market asking price is £15,297. This car is advertised at £15,495, which is £198 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 1,230 Mazda Mazda3 cars across different ages and specifications. We have tracked this advert for 37 days. The seller is Victoria Park Mazda, based in Cardiff.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 37 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observed	Asking price
17 September 2026	£15,495
23 October 2026	£15,495

Price and mileage comparison

Estimated market asking price: £15,297. The asking price is £198 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,230 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,500 miles lower than typical for a 2021 Mazda Mazda3.

8 other cars with the same year, trim, gearbox and fuel are for sale from £11,180 to £16,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,180	84,634 miles
£14,590	40,886 miles
£14,900	21,928 miles
£15,295	32,327 miles
£15,295	35,604 miles

These cars have covered 10,205–84,634 miles, compared with 23,520 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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