Is the 2019 MAZDA 3 reliable?

Excellent reliability. Very few MOT failures. 92% of MAZDA 3s from 2019 passed their MOT first time in 2026, based on 7,145 tests. That's 10 points above the national average of 82%.

How much does a 2019 MAZDA 3 cost to run?

Estimated annual running cost is £1,487 (£124/month), including £1037 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2019 MAZDA 3?

The 2019 MAZDA 3 has a 92% MOT pass rate based on 7,145 tests in 2026. This ranks 528 out of 1419 cars from 2019.

Which year MAZDA 3 is most reliable?

The 2022 MAZDA 3 has the highest MOT pass rate at 98%. The least reliable year is 2004 at 65%.

MAZDA 3 (2019)

Q: What is the average mileage for a 2019 MAZDA 3?

The average mileage for a 2019 MAZDA 3 is 34,301 miles, which is below the expected 51,800 miles for a 7-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 7,145 real MOT tests.

Annual Cost

£1,487

£124/month

MOT Pass Rate

92%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 18-32

1759cc Diesel

Great Choice

92% pass rate, £1487/year to run. 10 points above average.

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Diesel1759cc7 years old7,145 tests34k miles avg

Annual Running Costs

Fuel (Diesel, 1759cc)

~48 mpg

£1,037

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,487

Per month£124/mo

Per week£29/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

92% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.

At 7 years old, 92% of MAZDA 3s from 2019 passed their MOT first time in 2026. That's based on 7,145 tests across the UK. The average mileage at this age is 34,301 miles.

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How Does It Compare?

Rank among 2019 cars528th of 1,419(top 37%)

Rank among MAZDA models143th of 483(top 30%)

vs national average+10%(82% avg)

vs 2019 cars average+2%(90% avg)

vs MAZDA average+11%(81% avg)

Mileage Analysis

34,301

Average miles

51,800

Expected for age

The average 2019 MAZDA 3 has 34,301 miles on the clock, which is below the expected 51,800 miles for a 7-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2022 model with a 98% MOT pass rate, while the 2004 model has the lowest at 65%. The 2019 sits between the two at 92%.

MAZDA 3 by Year

Year	Pass Rate	Tests	Avg Mileage
2022	98%	243	21,571 mi
2021	94%	6,556	23,403 mi
2020	94%	6,787	28,046 mi
2019	92%	7,145	34,301 mi
2018	88%	11,205	42,804 mi
2017	83%	13,489	51,801 mi
2016	82%	17,936	61,550 mi
2015	81%	19,839	70,981 mi
2014	80%	14,280	76,594 mi
2013	80%	8,703	81,092 mi
2012	79%	8,608	91,364 mi
2011	75%	9,731	95,384 mi
2010	74%	15,144	101,714 mi
2009	72%	14,024	101,557 mi
2008	70%	11,826	101,647 mi
2007	69%	9,747	106,801 mi
2006	68%	7,178	107,923 mi
2005	67%	5,007	107,158 mi
2004	65%	1,514	98,523 mi

Similar Cars to Consider

VOLKSWAGEN GOLF

2017 · 1598cc Diesel

£1,350/year

91%

-1%

FORD FOCUS

2019 · 1499cc Diesel

£1,500/year

89%

-3%

MERCEDES A

2019 · 1461cc Diesel

£1,350/year

91%

-1%

MERCEDES A-CLASS

2017 · 1461cc Diesel

£1,500/year

88%

-4%

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About the 2019 MAZDA 3

The 2019 MAZDA 3 is a family car with a 1759cc diesel engine. 7,145 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2019, the average MOT pass rate is 90%, and this model beats that benchmark.

With an average of 34,301 miles at 7 years old, MAZDA 3 owners tend to use this car less than the typical driver.

2019 MAZDA 3 Fuel Costs

The 1759cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2019 MAZDA 3?

Total estimated annual running cost is £1,487 (£124/month), broken down as £1037 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

MAZDA 3 Reliability Trend

Newer MAZDA 3s show better MOT pass rates than older ones, with an average improvement of 16 percentage points.

Buying a Used 2019 MAZDA 3

At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2022 model has the highest pass rate at 98%. With 7,145 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2019 MAZDA 3's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Medium risk

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2019 MAZDA 3 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MAZDA 3(2019)	92%	£1037	£195	Grp 18-32	£1487
VOLKSWAGEN GOLF(2017)	91%	£905	£190	Grp 12-25	£1350-£137
FORD FOCUS(2019)	89%	£905	£190	Grp 12-25	£1500+£13
MERCEDES A(2019)	91%	£905	£190	Grp 12-25	£1350-£137
MERCEDES A-CLASS(2017)	88%	£905	£190	Grp 12-25	£1500+£13

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.