MAZDA CX-3 (2020)
Running costs, common problems, and reliability data based on 30 real MOT tests in 2024.
MOT Pass Rate
83%
Total Tests (2024)
30
Avg Mileage
25,685 mi
Est. Annual Cost
£1,922
Is the 2020 MAZDA CX-3 reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 4 years old, 83% of MAZDA CX-3s from 2020 passed their MOT first time in 2024. That's based on 30 tests across the UK. The average mileage at this age is 25,685 miles.
How does the 2020 MAZDA CX-3 compare?
Mileage Analysis
The average 2020 MAZDA CX-3 has 25,685 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
Best year to buy a MAZDA CX-3?
The most reliable year is the 2019 model with a 93% MOT pass rate, while the 2015 model has the lowest at 85%. The 2020 sits between the two at 83%.
How much does a 2020 MAZDA CX-3 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MAZDA CX-3 by Year
Checking a specific MAZDA CX-3?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 MAZDA CX-3
The 2020 MAZDA CX-3 is a family car with a 1998cc petrol engine. 30 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 96% of 2020 cars for MOT pass rates.
With an average of 25,685 miles at 4 years old, MAZDA CX-3 owners drive about as much as the UK average.
2020 MAZDA CX-3 Fuel Costs
The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MAZDA CX-3?
Total estimated annual running cost is £1,922 (£160/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 83% pass rate. Keeping on top of servicing will help avoid surprises.
MAZDA CX-3 Reliability Trend
Newer MAZDA CX-3s show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2020 MAZDA CX-3
At 4 years old, the MAZDA CX-3 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2019 model has the highest pass rate at 93%. Note: with only 30 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2020 MAZDA CX-3
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- VOLKSWAGEN GOLF (2019) 92% pass rate (+9%) from 89,653 tests
- FORD KUGA (2018) 90% pass rate (+7%) from 67,605 tests
- MINI COOPER (2018) 92% pass rate (+9%) from 55,706 tests
- NISSAN QASHQAI (2020) 93% pass rate (+10%) from 52,321 tests