2021 Mazda Mazda3

2.0 Skyactiv-x Mhev GT Sport Tech Auto 4WD Euro 6 (s/s) 5dr (178 bhp)

£17,635

Good value: £1,911 under the typical £19,546 for this model, age and mileage, drawing on 1,246 adverts of this make and model.

Overview

Make
Mazda
Model
Mazda3
Trim
GT SPORT TECH
Version
2.0 Skyactiv-x Mhev GT Sport Tech Auto 4WD Euro 6 (s/s) 5dr (178 bhp)
Mileage
21,000 miles
Year
2021
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
178 bhp
Seats
5
CO2
157 g/km
Colour
Red
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
SKYACTIV-X; MHEV
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 21,000 miles, this 2021 Mazda Mazda3 GT Sport Tech has covered about 14,000 fewer miles than other 2021 Mazda Mazda3 cars. The dealer is asking £17,635, which is £1,911 below our market estimate of £19,546. To estimate its market asking price, we analyse UK dealer adverts for 1,246 Mazda Mazda3 cars across different ages and specifications. Since we first spotted the advert 54 days ago, the asking price has dropped by £1,865. MOT records show an expiry date of 29 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Hendy Ford Horsham, based in Horsham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 August 2026, 54 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,865 from the first recorded £19,500. 10 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
28 August 2026£19,500
17 September 2026£19,475
22 September 2026£19,431
23 September 2026£19,430
24 September 2026£19,334
25 September 2026£19,305
30 September 2026£19,243
6 October 2026£18,936
9 October 2026£18,658
14 October 2026£17,858
20 October 2026£17,635

Price and mileage comparison

Estimated market asking price: £19,546. The asking price is £1,911 below 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 1,246 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 14,000 miles lower than typical for a 2021 Mazda Mazda3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 July 2027. 19,953 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £16,699 to £16,699.

Other matching cars
Asking priceMileage
£16,69933,576 miles

These cars have covered 33,576 miles, compared with 21,000 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

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Dealer

Hendy Ford Horsham, Horsham. Across the dealer network: 18 branches, 1,648 cars for sale.

Dealer postcode: RH12 3NS.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
08:30-18:00
Sunday
Closed

Vehicle photos