Pass rate
Around average — 6.7 pts ahead of the 72.2% that cars this age and mileage manage.
Across 71 recorded tests.
Typical repair bill £67–£180
Only 71 tests of this exact model and year are in the DVSA data, below the 100 we ask for before a page goes in the index. The figures are still shown, because they are the only ones there are.
Pass rate
Around average — 6.7 pts ahead of the 72.2% that cars this age and mileage manage.
Across 71 recorded tests.
Typical repair bill £67–£180
Most common fault
Suspension
23.9% of faults · 21.0% nationally
mostly worn arm bushes, split ball-joint boots and broken coil springs.
Which year to buy
Across the 4 years on record, a spread of 13.3 points. See every year →
The 2004 Proton Satria MOT pass rate is 78.9% of its MOT tests — 6.7 points ahead of what its age and mileage predict. Suspension is the biggest single reason it fails, at 23.9% of what testers record.
MOT pass rates are national — type your postcode to see how Proton Satria does in your corner of the country.
Expert verdict
Body & chassis accounts for 11.3% of everything recorded on the 2004 Proton Satria, against 5.6% nationally — 5.7 points above. Suspension is still the single largest share at 23.9%, but at 21.0% nationally that one is ordinary. Look underneath for corrosion near the jacking points and suspension mounts; surface rust is normal, flaking metal is not.
Written from this page's own figures: fault shares against the national composition, the like-for-like pass rate, and the priced repair list. How these are worked out
Watching a Proton Satria? Get an email when these numbers change .
Cars of this age and mileage average 72.2%, so this figure is 6.7 points ahead of what its age and mileage predict. On a first attempt, before any retests, the figure drops to 74.6%. The median 2004 Proton Satria in this dataset had covered 65,220 mi.
Pass rates also shift with the test month: tests recorded October–March passed 80.6% of the time, April–September 77.1%.
The single most recorded failure item is "Battery(ies) insecure but not likely to fall from carrier", noted on 5.63% of tests.
Figures count every completed test on this vehicle-year in the dataset, including retests. See methodology for the exact definition.
Source: DVSA anonymised MOT test data (2023–2025), OGL v3.0.
Battery
Usually a DIY or independent-garage job.
Pass rate by odometer reading. Bar lengths start at 65% so small gaps stay visible.
| Region | Tests | Pass rate |
|---|---|---|
| North West | 16 | 75.0% |
Regions come from the postcode area recorded at the test station. Areas on region borders are assigned to the region with the majority of their population.
Everything a tester recorded on this vehicle, grouped into the inspection sections that produced it. The notch on each bar is the national share, so you can see at a glance whether this car is unusual or just ordinary.
A test can record several items, so these percentages do not add up to 100%. The exact strings, with prices, are in the full DVSA record at the bottom of this page.
Before your test
These are not generic tips — they are the faults recorded most often on this exact model, rewritten as things you can check yourself. All three take about ten minutes and cost nothing.
Check the battery 5.6% of tests
“battery(ies) insecure”
Check the battery is secure and its terminals are clean and tight — a loose battery is a fail on its own, and a weak one shows up as slow cranking on a cold morning.
Check corrosion 5.6% of tests
“component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strength”
Look under the sills, around the jacking points and where the suspension mounts meet the body. Flaking, holed or crumbly metal fails; a brown stain on sound metal does not.
Check the lights 5.6% of tests
“registration plate lamp(s) inoperative in the case of multiple lamps or light sources”
Switch everything on and walk round the car: both headlamps on dip and main, every indicator, both brake lights, reverse, fog and the two number-plate lamps. A bulb is a few pounds and a five-minute job.
Shares are the proportion of tests on this vehicle that recorded the item, so they overlap: one test can record several.
Across the 10 items that are recorded most often on this model, the average repair comes to £67–£180 — and 31% of those repairs are parts that cost under £30.
Estimates from typical UK parts prices, weighted by how often each item appears in 71 MOT tests on this vehicle. They exclude diagnostics, retest fees and garage labour where the part is a DIY fit, and they are not figures from the DVSA dataset. Older and higher-mileage examples cost more than the average. How these estimates are built → · All MOT repair costs → · Cheapest cars to put through a test →
4 model years on record, from 2001 to 2004. Across them the pass rate runs from 73.2% to 86.5% — a spread of 13.3 points. The bar under each year is the item that failed it most often.
Colour is the pass rate on a fixed scale, so a block means the same thing on any model. Each year links to its own page with the full fault breakdown.
The raw pass rate mostly measures age. The year comparison adds the like-for-like figure, the mileage bands and the repair bill.
Closest pass rates among 2004 cars with at least 2,000 tests, so a small sample cannot flatter itself into the list. See the full rankings: best and worst MOT pass rates.
Shares of the 155 individual items recorded on this vehicle, and the same share across all cars nationally. A single test can record several items, so a row is not a percentage of tests.
| Category | Items | This car | Nationally | Difference |
|---|---|---|---|---|
| Suspension | 38 | 23.90% | 20.98% | +2.92 |
| Brakes | 34 | 21.40% | 20.89% | +0.51 |
| Lamps, reflectors and electrical equipment | 23 | 14.50% | 12.21% | +2.29 |
| Body, chassis, structure | 18 | 11.30% | 5.57% | +5.73 |
| Noise, emissions and leaks | 13 | 8.20% | 5.52% | +2.68 |
| Tyres | 11 | 6.90% | 19.76% | −12.86 |
| Visibility | 6 | 3.80% | 4.97% | −1.17 |
| Seat belts and supplementary restraint systems | 5 | 3.10% | 0.82% | +2.28 |
| Steering | 4 | 2.50% | 2.57% | −0.07 |
| Non-component advisories | 3 | 1.90% | 4.18% | −2.28 |
| Recorded item | Severity | Tests | Est. cost |
|---|---|---|---|
| Battery(ies) insecure but not likely to fall from carrier Lamps, reflectors and electrical equipment | Minor | 5.6% | £60–140 |
| Component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strength Suspension | Major | 5.6% | £180–450 |
| Registration plate lamp(s) inoperative in the case of multiple lamps or light sources Lamps, reflectors and electrical equipment | Minor | 5.6% | £5–20 |
| Rigid brake pipes excessively corroded Brakes | Major | 4.2% | £80–180 |
| Steering rack gaiter missing or no longer prevents the ingress of dirt Steering | Major | 4.2% | £120–300 |
| Wipers blade defective Visibility | Minor | 4.2% | £8–22 |
| Catalyst emissions Lambda reading after 2nd fast idle outside specified limits Noise, emissions and leaks | Major | 2.8% | £60–250 |
| Catalyst emissions carbon monoxide content at idle exceeds default limits Noise, emissions and leaks | Major | 2.8% | £60–250 |
| Exhaust system has a major leak of exhaust gases Body, chassis, structure | Major | 2.8% | £45–120 |
| Individual direction indicators lens defective which has no effect on emitted light Lamps, reflectors and electrical equipment | Minor | 2.8% | £3–12 |
Severity is as recorded: Major and Dangerous fail the test outright; Minor and Advisory do not. Costs are estimates from typical UK parts prices — see how they are built.
Advisories are the early warnings — the same parts a year or two before they fail. Reading them is how you tell a car that has been maintained from one that has been patched.
| Recorded item | Severity | Tests | Est. cost |
|---|---|---|---|
| Rigid brake pipes excessively corroded Brakes | Advisory | 12.7% | £80–180 |
| Exhaust system has a major leak of exhaust gases Body, chassis, structure | Advisory | 11.3% | £45–120 |
| Pins and bushes pin or bush excessively worn Suspension | Advisory | 8.4% | £40–150 |
| Tread depth below requirements of 1.6mm Tyres | Advisory | 7.0% | £45–95 |
| Component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strength Suspension | Advisory | 5.6% | £180–450 |
| Service brake performance excessively binding Brakes | Advisory | 5.6% | £60–150 |
| Mileage | Tests | Pass rate | Median odometer |
|---|---|---|---|
| 0-30k | 5 | 80.0% | 24,729 mi |
| 30-60k | 26 | 73.1% | 42,687 mi |
| 60-90k | 29 | 82.8% | 75,939 mi |
| 90-120k | 9 | 77.8% | 101,912 mi |
Source: 71 recorded tests on this vehicle-year. Every row above is recomputed from the same DVSA extract as the rest of the page — see the methodology.
78.9% of the 71 2004 Proton Satria tests in this dataset passed, against a national average of 72.2% for cars first used in 2004. First-attempt pass rate: 74.6%.
The three most recorded items are battery(ies) insecure but not likely to fall from carrier (5.63%), component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strength (5.63%), registration plate lamp(s) inoperative in the case of multiple lamps or light sources (5.63%). Percentages are the share of tests on this vehicle that recorded the item.
Yes. Cars under 30,000 miles passed 80.0% of the time, falling to 77.8% for those over 120,000 miles. The median 2004 Proton Satria in this dataset had covered 65,220 mi.
Tests recorded in the winter months (October–March) passed 80.6% of the time; summer months (April–September) passed 77.1%. Brakes, tyres and lights are tested harder in bad weather, but the difference is small on most models.