CarCostCheck

Proton

Running costs, reliability, and MOT data for 9 models from 3,310 real MOT tests.

Avg Pass Rate

70%

Total Tests

3,310

Models

9

Years Covered

1998-2012

Most Reliable

Compact

93% pass rate

Least Reliable

Savvy

65% pass rate

Most Popular

Savvy

1,056 tests

All Proton Models

ModelYearsPass RateTestsFuel
Savvy7 yrs65%1,056Petrol
Gen-28 yrs66%1,027Petrol, LP
Jumbuck4 yrs71%873Petrol
Satria3 yrs76%113Petrol
Persona2 yrs79%75Petrol
Compact1 yr93%57Petrol
Satria Neo1 yr66%41Petrol
Persona Compact1 yr76%37Petrol
Impian1 yr65%31Petrol

Checking a specific Proton?

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How reliable is Proton?

Brand ranking140th out of 145 manufacturers
vs national average-12% (82% avg)
Models above 85% pass rate1 of 9
Models below 70% pass rate4 of 9
Reliability spread (best to worst)28 percentage points

About Proton Cars

Proton ranks 140th out of 145 car manufacturers for MOT reliability, with an average pass rate of 70%. That's 12 points below the national average of 82%, so Proton owners should budget a bit more for maintenance.

With 9 models across 15 years of data (1998 to 2012), there's a wide spread of 28 percentage points between the most and least reliable models. Choosing the right model matters significantly with Proton.

Most and Least Reliable Proton Models

The Compact leads the range with a 93% average pass rate from 57 tests. At the other end, the Savvy has the lowest at 65%. A notable proportion of Proton models fall below average pass rates, so researching specific models before buying is particularly important.

Proton Fuel Types

Proton models in our data come in 9 petrol variants. The range is predominantly petrol-powered.

Click any model above to see detailed year-by-year reliability data, running cost breakdowns, and comparisons with similar cars. You can also enter a specific registration plate to get a full vehicle report with MOT history, mileage verification, and health score.