Pass rate
73.6%
Below average — 0.5 pts ahead of the 73.1% that cars this age and mileage manage.
Across 885 recorded tests.
Typical repair bill £50–£134
2008 Mazda Bt-50 MOT pass rate
- 2008
- typical 116,537 mi
Check your postcode
Most common fault
Brakes
21.1% of faults · 20.9% nationally
mostly worn pads and discs, corroded pipes and a handbrake that will not hold.
Part only £25–£55 for Rigid brake pipes excessively corroded. What fitting it takes →
Which year to buy
- Best 2009 77.5% pass
- Avoid 2006 71.5% pass
Across the 5 years on record, a spread of 6 points. See every year →
- First-attempt pass
- 66.3%
- Typical mileage
- 117k mi
The 2008 Mazda Bt-50 MOT pass rate is 73.6% of its MOT tests — about what its age and mileage predict. Brakes is the biggest single reason it fails, at 21.1% of what testers record.
Expert verdict
Body & chassis: 2.4× the national share
Body & chassis accounts for 13.6% of everything recorded on the 2008 Mazda Bt-50, against 5.6% nationally — 8.0 points above. Brakes are still the single largest share at 21.1%, but at 20.9% nationally that one is ordinary. Look underneath for corrosion near the jacking points and suspension mounts; surface rust is normal, flaking metal is not.
- Failures here tend to be cheap ones. 55% of the repairs this model fails on cost under £30 in parts. The pass rate matters less than what a bad afternoon at the test centre actually costs you.
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 Mazda Bt-50? Get an email when these numbers change .
How does the 2008 Mazda Bt-50 compare?
Cars of this age and mileage average 73.1%, so this figure is 0.5 points ahead of what its age and mileage predict. On a first attempt, before any retests, the figure drops to 66.3%. The median 2008 Mazda Bt-50 in this dataset had covered 116,537 mi.
Pass rates also shift with the test month: tests recorded October–March passed 75.5% of the time, April–September 71.4%.
The single most recorded failure item is "Windscreen damaged but not adversely affecting driver's view", noted on 7.23% of tests.
- 885 recorded tests behind this page.
- 73.6% overall pass rate, 66.3% on a first attempt.
- Across every year of the Mazda Bt-50, the average is 75.3% — best year 2009 (77.5%), worst 2006 (71.5%).
Figures count every completed test on this vehicle-year in the dataset, including retests. See methodology for the exact definition.
This page's data
- Tests analysed
- 885
- Typical mileage (median)
- 116,537 mi
- Make and model
- Mazda Bt-50
- Updated
- 2026-11-07
Source: DVSA anonymised MOT test data (2023–2025), OGL v3.0.
Top part to budget for
Windscreen
Typically a garage job — get quotes before committing.
Does mileage affect the Bt-50 MOT pass rate?
Pass rate by odometer reading. Bar lengths start at 61% so small gaps stay visible.
Where the Mazda Bt-50 is most common
Across all Bt-50 model years on record (2006–2010): 1,171 Mazda Bt-50 cars tested in a recordable postcode area, across 3,060 tests. Ashford (TN) has the most, with 40 cars tested there. Cars are counted by the postcode area of the MOT station, so this is where they were tested, not necessarily where their owners live.
| # | Postcode area | Cars | Pass rate |
|---|---|---|---|
| 1 | Ashford (TN) | 40 | 73.3% |
| 2 | Exeter (EX) | 33 | 68.8% |
| 3 | Swansea (SA) | 32 | 69.3% |
| 4 | Ipswich (IP) | 30 | 78.2% |
| 5 | Portsmouth (PO) | 30 | 84.8% |
| 6 | Norwich (NR) | 28 | 74.7% |
| 7 | Peterborough (PE) | 28 | 77.0% |
| 8 | Guildford (GU) | 27 | 75.4% |
| 9 | Sheffield (S) | 25 | 69.1% |
| 10 | Crawley (RH) | 25 | 79.1% |
| 11 | Chelmsford (CM) | 23 | 75.4% |
| 12 | Lincoln (LN) | 22 | 65.3% |
| 13 | Leicester (LE) | 21 | 75.8% |
| 14 | Gloucester (GL) | 21 | 70.2% |
| 15 | Shrewsbury (SY) | 21 | 82.4% |
| 16 | Brighton (BN) | 21 | 80.0% |
| 17 | Bradford (BD) | 20 | 80.0% |
| 18 | Coventry (CV) | 19 | 70.7% |
| 19 | Reading (RG) | 19 | 87.5% |
| 20 | Wrexham (LL) | 18 | 70.2% |
The twenty areas with the most Mazda Bt-50 cars in the record, sorted by car count — sort the columns for a different question. Cars tested at a station whose postcode area could not be resolved are counted in the model's total but in no area, so the shares add up to slightly under 100% even across every area, and an area's cars are a subset of the model's. Pass rate is blank below 30 tests in an area, where a percentage is noise rather than a finding. How this model's pass rate varies by postcode →
Regional pass rates for the Bt-50
| Region | Tests | Pass rate |
|---|---|---|
| South West | 168 | 67.3% |
| South East | 144 | 78.5% |
| East of England | 142 | 80.3% |
| West Midlands | 103 | 69.9% |
| Yorkshire | 90 | 73.3% |
| East Midlands | 70 | 67.1% |
| Wales | 67 | 71.6% |
| North West | 48 | 83.3% |
| Scotland | 36 | 58.3% |
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.
What fails a 2008 Bt-50
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
Three checks worth doing on a 2008 Bt-50
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 windscreen 7.2% of tests
“windscreen damaged”
Check the driver’s side of the screen within the swept area for chips and cracks; anything larger than 10mm in the driver’s central view is a fail. Most chips can be resin-repaired for far less than a new screen.
-
Check the lights 6.7% 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.
-
Check the brake pipes 3.7% of tests
“rigid brake pipes excessively corroded”
Brake pipes run under the car, usually in front of the rear wheels. Flaking or crusty metal is what fails; a light dusting of surface rust does not. Worth asking a garage to look while it is on a ramp.
Shares are the proportion of tests on this vehicle that recorded the item, so they overlap: one test can record several.
What it costs to get a 2008 Bt-50 through its MOT
Across the 10 items that are recorded most often on this model, the average repair comes to £50–£134 — and 55% of those repairs are parts that cost under £30.
- Average repair across the 10 common items
- £50–£134
- Cheapest common item: malfunction indicator lamp inoperative or…
- £3–£12
- Dearest common item: component mounting prescribed areas…
- £180–£450
- Common items a careful owner can do at home
- 50%
- Repairs that still cost under £30
- 55%
Estimates from typical UK parts prices, weighted by how often each item appears in 885 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 →
Every year of the Bt-50, side by side
5 model years on record, from 2006 to 2010. Across them the pass rate runs from 71.5% to 77.5% — a spread of 6 points. The bar under each year is the item that failed it most often.
- 2006 71.5% registration plate lamp(s)…
- 2007 75.6% windscreen damaged but not…
- 2008 73.6%windscreen damaged but not…
- 2009 77.5% registration plate lamp(s)…
- 2010 75.0% windscreen damaged but not…
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.
Compare the 2008 Mazda Bt-50 with another year
The raw pass rate mostly measures age. The year comparison adds the like-for-like figure, the mileage bands and the repair bill.
Other 2008 cars with a similar record
- Volkswagen Golf 73.6%
- Honda Jazz 73.7%
- Hyundai Getz 73.4%
- Mercedes-Benz Clk 73.8%
- Mercedes-Benz Vito 73.9%
- Ford Focus 73.2%
Closest pass rates among 2008 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.
The full DVSA record for the 2008 Mazda Bt-50 10 failure items · 6 advisories · 10 inspection categories · mileage brackets · all of it in the page, none of it above the fold
Every inspection category
Shares of the 2,876 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 |
|---|---|---|---|---|
| Brakes | 610 | 21.10% | 20.89% | +0.21 |
| Suspension | 540 | 18.60% | 20.98% | −2.38 |
| Lamps, reflectors and electrical equipment | 506 | 17.50% | 12.21% | +5.29 |
| Body, chassis, structure | 394 | 13.60% | 5.57% | +8.03 |
| Tyres | 211 | 7.30% | 19.76% | −12.46 |
| Noise, emissions and leaks | 175 | 6.00% | 5.52% | +0.48 |
| Visibility | 167 | 5.80% | 4.97% | +0.83 |
| Steering | 155 | 5.40% | 2.57% | +2.83 |
| Identification of the vehicle | 87 | 3.00% | 1.76% | +1.24 |
| Non-component advisories | 31 | 1.10% | 4.18% | −3.08 |
The exact failure items, in the tester's words
| Recorded item | Severity | Tests | Est. cost |
|---|---|---|---|
| Windscreen damaged but not adversely affecting driver's view Visibility | Minor | 7.2% | £80–200 |
| Registration plate lamp(s) inoperative in the case of multiple lamps or light sources Lamps, reflectors and electrical equipment | Minor | 6.7% | £5–20 |
| Position lamp not working Lamps, reflectors and electrical equipment | Major | 6.0% | £5–25 |
| Headlamp lens slightly defective Lamps, reflectors and electrical equipment | Minor | 5.8% | £5–25 |
| Rear fog lamp not working Lamps, reflectors and electrical equipment | Major | 4.0% | £3–15 |
| Joints constant velocity boot severely deteriorated Body, chassis, structure | Minor | 3.7% | £80–250 |
| Rigid brake pipes excessively corroded Brakes | Major | 3.7% | £80–180 |
| Component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strength Suspension | Major | 3.3% | £180–450 |
| Malfunction indicator lamp inoperative or indicates a malfunction Noise, emissions and leaks | Major | 2.5% | £3–12 |
| Chassis condition or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting Body, chassis, structure | Major | 2.1% | £180–450 |
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.
What testers noted without failing the car
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 | 30.4% | £80–180 |
| Wheel bearings has excessive play Suspension | Advisory | 15.6% | £20–55 |
| Engine oil leaks leaking excessively from engine Noise, emissions and leaks | Advisory | 13.3% | £200–700 |
| Tread depth below requirements of 1.6mm Tyres | Advisory | 12.9% | £45–95 |
| Chassis condition corroded to the extent that the rigidity of the assembly is significantly reduced Body, chassis, structure | Advisory | 9.8% | £180–450 |
| Registration plates inscription illegible Identification of the vehicle | Advisory | 8.3% | £20–80 |
Pass rate by mileage
| Mileage | Tests | Pass rate | Median odometer |
|---|---|---|---|
| 0-30k | 6 | 100.0% | 27,640 mi |
| 30-60k | 82 | 79.3% | 47,569 mi |
| 60-90k | 162 | 78.4% | 77,507 mi |
| 90-120k | 215 | 75.8% | 103,766 mi |
| 120k+ | 417 | 69.1% | 152,755 mi |
Source: 885 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.
2008 Bt-50 MOT questions
What is the MOT pass rate for a 2008 Mazda Bt-50?
73.6% of the 885 2008 Mazda Bt-50 tests in this dataset passed, against a national average of 73.1% for cars first used in 2008. First-attempt pass rate: 66.3%.
What are the most common MOT failures on a 2008 Mazda Bt-50?
The three most recorded items are windscreen damaged but not adversely affecting driver's view (7.23%), registration plate lamp(s) inoperative in the case of multiple lamps or light sources (6.67%), position lamp not working (5.99%). Percentages are the share of tests on this vehicle that recorded the item.
Does mileage affect the 2008 Mazda Bt-50 MOT pass rate?
Yes. Cars under 30,000 miles passed 100.0% of the time, falling to 69.1% for those over 120,000 miles. The median 2008 Mazda Bt-50 in this dataset had covered 116,537 mi.
Does the season affect the 2008 Mazda Bt-50 MOT pass rate?
Tests recorded in the winter months (October–March) passed 75.5% of the time; summer months (April–September) passed 71.4%. Brakes, tyres and lights are tested harder in bad weather, but the difference is small on most models.