CarCostCheck

Mazda 323

Reliability, estimated running costs, and MOT data across 14 model years from 3,117 MOT tests in 2024.

Avg Pass Rate

72%

Total Tests

3,117

Highest Pass Rate

1996 (76%)

Years Covered

14

About the Mazda 323

The Mazda 323 was MOT tested 3,117 times in 2024 (DVSA data, retests included) across 14 model years (1990 to 2003), with an average pass rate of 72%. That's 10 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 1996 model has the highest pass rate at 76% from 144 tests. The 2002 model has the lowest at 64%. The 12 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Older Mazda 323s tend to have better MOT pass rates than newer ones, with an average decline of 6 percentage points across model years.

Mileage Across Years

The oldest model in our data (1990) averages 80,330 miles, while the newest (2003) averages 71,605 miles.

Compared to the Mazda brand average of 81%, the 323 is 9 points lower, placing it among the less reliable Mazda models.

Estimated Running Costs

Fuel (Petrol, 1598cc)
£1,398
Road Tax
£275
MOT Test
£55
Predicted Repairs

Higher due to low pass rate

£700
Total per year£2,428
Per month£202/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2003 details

How reliable is the Mazda 323?

vs average of all models-10% (82% avg)
vs Mazda brand average-9% (81% avg)
Best to worst year spread12 percentage points
Reliability trendDeclining over years

Mazda 323 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
200368%41271,605 mi
200264%32979,077 mi
200168%23381,970 mi
200068%24182,611 mi
199971%43280,508 mi
199871%44591,617 mi
199775%41993,660 mi
199676%14499,541 mi
199587%9079,459 mi
199478%7674,502 mi
199354%9298,919 mi
199277%61111,862 mi
199170%9395,373 mi
199080%5080,330 mi

Questions about the Mazda 323

Is the Mazda 323 reliable?

Across its 14 model years in our data (1990 to 2003), the Mazda 323 averages a 72% MOT pass rate, from 3,117 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points below the average of 82% across all models in the same data. The 1996 model has the highest pass rate of the years with at least 100 tests, at 76%.

Which year Mazda 323 has the best MOT pass rate?

Of the years with at least 100 tests, the 1996 Mazda 323 has the highest MOT pass rate at 76%, while the 2002 model has the lowest at 64%, a 12 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Are newer Mazda 323s more reliable?

Older Mazda 323s tend to have better MOT pass rates than newer ones, with an average decline of 6 percentage points across model years.

Mazda 323 Guides & Articles

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