2020 Mazda Mazda3

2.0 Skyactiv-X GT Sport Tech Auto FWD Euro 6 4dr (177 bhp)

£16,990

Fair price: within 8% of the typical £17,871 for this model, age and mileage, drawing on 1,247 adverts of this make and model.

Overview

Make
Mazda
Model
Mazda3
Trim
GT SPORT TECH
Version
2.0 Skyactiv-X GT Sport Tech Auto FWD Euro 6 4dr (177 bhp)
Mileage
12,881 miles
Year
2020
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
177 bhp
Seats
5
CO2
142 g/km
Colour
Red
Doors
4
Driven wheels
Front Wheel Drive
Engine badge
SKYACTIV-X
Emissions standard
Euro 6

About this car

This 2020 Mazda Mazda3 GT Sport Tech has covered 12,881 miles, around 28,500 fewer than typical for its age. Our estimated market asking price is £17,871. This car is advertised at £16,990, which is £881 below that figure. We use UK dealer asking prices, including 1,247 Mazda Mazda3 listings, and account for the car’s age, mileage and specification. The asking price is now £1,710 lower than when we first recorded the advert 108 days ago. That may be worth mentioning if you discuss the price with the dealer. Its MOT is recorded as valid until 12 January 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Carworld Car Supermarket in Peterborough.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 July 2026, 108 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,710 from the first recorded £18,700. 3 price reductions recorded, the latest observed on 12 October 2026.

Recorded asking prices
Date observedAsking price
4 July 2026£18,700
10 July 2026£18,700
17 September 2026£17,700
21 September 2026£17,400
12 October 2026£16,990
19 October 2026£16,990

Price and mileage comparison

Estimated market asking price: £17,871. The asking price is £881 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 1,247 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 28,500 miles lower than typical for a 2020 Mazda Mazda3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 January 2027. 12,186 miles at the last test.

3 other cars with the same year, trim, gearbox and fuel are for sale from £12,599 to £18,259.

Other matching cars
Asking priceMileage
£12,59956,550 miles
£14,40039,747 miles
£18,25924,400 miles

These cars have covered 24,400–56,550 miles, compared with 12,881 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 · 2020 Mazda Mazda3 price guide

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Dealer

Carworld Car Supermarket, Peterborough. Across the dealer network: 975 cars for sale.

Dealer postcode: PE1 5PE.

Dealer opening hours

Monday
09:00-18:45
Tuesday
09:00-18:45
Wednesday
09:00-18:45
Thursday
09:00-18:45
Friday
09:00-18:45
Saturday
09:00-18:45
Sunday
10:30-17:00

Vehicle photos