Proton Gen-2

Reliability, estimated running costs, and MOT data across 8 model years from 1,027 MOT tests in 2024.

Avg Pass Rate

66%

Total Tests

1,027

Highest Pass Rate

2010 (76%)

Years Covered

About the Proton Gen-2

The Proton Gen-2 was MOT tested 1,027 times in 2024 (DVSA data, retests included) across 8 model years (2005 to 2012), with an average pass rate of 66%. That's 16 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 and lpg versions.

Best and Worst Years

Of the years with at least 100 tests, the 2010 model has the highest pass rate at 76% from 174 tests. The 2007 model has the lowest at 62%. The 14 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

Newer Proton Gen-2s pass their MOT more often than older ones, by 5 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2005) averages 69,422 miles, while the newest (2012) averages 71,891 miles.

Compared to the Proton brand average of 70%, the Gen-2 is 4 points lower, placing it among the less reliable Proton models.

Estimated Running Costs

Fuel (Petrol, 1332cc)

£1,398

Road Tax

£200

MOT Test

£55

Predicted Repairs

Higher due to low pass rate

£700

Total per year£2,353

Per month£196/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 2012 details

How reliable is the Proton Gen-2?

vs average of all models-16% (82% avg)

vs Proton brand average-4% (70% avg)

Best to worst year spread14 percentage points

Reliability trendImproving over years

Proton Gen-2 by Year

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

Year	Pass Rate	Tests	Avg Mileage
2012	58%	38	71,891 mi
2011	65%	124	79,942 mi
2010	76%	174	70,888 mi
2009	66%	137	71,070 mi
2008	67%	173	68,736 mi
2007	62%	223	73,654 mi
2006	65%	96	64,926 mi
2005	66%	62	69,422 mi

Questions about the Proton Gen-2

Is the Proton Gen-2 reliable?

Across its 8 model years in our data (2005 to 2012), the Proton Gen-2 averages a 66% MOT pass rate, from 1,027 tests (DVSA MOT data for tests in 2024, retests included). That's 16 points below the average of 82% across all models in the same data. The 2010 model has the highest pass rate of the years with at least 100 tests, at 76%.

Which year Proton Gen-2 has the best MOT pass rate?

Of the years with at least 100 tests, the 2010 Proton Gen-2 has the highest MOT pass rate at 76%, while the 2007 model has the lowest at 62%, a 14 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.