2020 Mazda Mazda3

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

£12,636

Fair price: within 8% of the typical £13,265 for this model, age and mileage, drawing on 1,246 adverts of this make and model.

Overview

Make
Mazda
Model
Mazda3
Trim
GT SPORT
Version
2.0 Skyactiv-X GT Sport Manual FWD Euro 6 4dr (177 bhp)
Mileage
43,486 miles
Year
2020
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Manual
Power
177 bhp
Seats
5
CO2
127 g/km
Colour
Grey
Doors
4
Driven wheels
Front Wheel Drive
Engine badge
SKYACTIV-X
Emissions standard
Euro 6

About this car

At 43,486 miles, this 2020 Mazda Mazda3 GT Sport has covered about 2,900 more miles than other 2020 Mazda Mazda3 cars. Its asking price of £12,636 is £629 below our estimate of £13,265. Our estimate draws on 1,246 Mazda Mazda3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 36 days ago. Its asking price has since fallen by £364. MOT records show an expiry date of 13 August 2027, and the latest recorded mileage is consistent with the advert. The seller is Carbase Bristol, based in Bristol.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 September 2026, 36 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £364 from the first recorded £13,000. 4 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
15 September 2026£13,000
8 October 2026£12,805
10 October 2026£12,708
13 October 2026£12,699
20 October 2026£12,636

Price and mileage comparison

Estimated market asking price: £13,265. The asking price is £629 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 2,900 miles higher than typical for a 2020 Mazda Mazda3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 13 August 2027. 43,271 miles at the last test.

21 other cars with the same year, trim, gearbox and fuel are for sale from £9,699 to £15,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£9,69991,000 miles
£9,950100,000 miles
£10,59582,420 miles
£12,29558,490 miles
£12,49849,720 miles

These cars have covered 23,557–100,000 miles, compared with 43,486 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

Carbase Bristol, Bristol. Across the dealer network: 3 branches, 1,908 cars for sale.

Dealer postcode: BS5 9PJ.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
08:30-18:00
Sunday
10:00-17:00

Vehicle photos