2018 Mazda Mazda3

1.5 SKYACTIV-D Sport NAV Manual FWD Euro 6 5dr (103 bhp)

£6,495

Good value: £1,081 under the typical £7,576 for this model, age and mileage, drawing on 1,246 adverts of this make and model.

Overview

Make: Mazda
Model: Mazda3
Trim: SPORT NAV
Version: 1.5 SKYACTIV-D Sport NAV Manual FWD Euro 6 5dr (103 bhp)
Mileage: 66,500 miles
Year: 2018
Fuel type: Diesel
Body type: Hatchback
Engine: 1.5 L
Gearbox: Manual
Power: 103 bhp
Seats: 5
CO2: 99 g/km
Colour: Black
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: SKYACTIV-D
Emissions standard: Euro 6

About this car

With 66,500 miles on the clock, this 2018 Mazda Mazda3 Sport Nav has done roughly 14,000 more miles than a typical 2018 Mazda Mazda3. At £6,495, it is advertised £1,081 below our estimated market asking price of £7,576. We use UK dealer asking prices, including 1,246 Mazda Mazda3 listings, and account for the car’s age, mileage and specification. The asking price is now £500 lower than when we first recorded the advert 143 days ago. That may be worth mentioning if you discuss the price with the dealer. Its MOT is recorded as valid until 24 March 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Happy Motors in Blackburn.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 31 May 2026, 143 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £500 from the first recorded £6,995. 1 price reduction recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observed	Asking price
1 June 2026	£6,995
19 October 2026	£6,495
20 October 2026	£6,495

Price and mileage comparison

Estimated market asking price: £7,576. The asking price is £1,081 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 higher than typical for a 2018 Mazda Mazda3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 March 2027. 66,380 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £7,000 to £7,900.

Other matching cars
Asking price	Mileage
£7,000	67,756 miles
£7,900	60,121 miles

These cars have covered 60,121–67,756 miles, compared with 66,500 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 · 2018 Mazda Mazda3 price guide

Dealer

Happy Motors, Blackburn. Across the dealer network: 40 cars for sale.

Dealer postcode: BB2 1PQ.