London Taxis International Tx4: MOT pass rate and reliability data

The London Taxis International Tx4 fails its first MOT more often than the average UK car, by 1.6 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 11,280 individual London Taxis International Tx4 tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 75.1% first-time pass rate means roughly 25 in every 100 London Taxis International Tx4s presented for MOT fail on the first attempt. That is worse than average, so budget for remedial work and treat a fresh 12-month MOT as a genuine selling point rather than a given. The average London Taxis International Tx4 tested had covered 217,321 miles and was built around 2013.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. The London Taxis International Tx4 sits 1.6 points below the national average, ranked 1,616 of 2,005 models. On one bought as repairable salvage, assume the mechanical side needs more than the visible accident damage, and pad your repair estimate accordingly.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific London Taxis International Tx4 rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see recorded closing bids for damaged London Taxis International Tx4s at UK salvage auction.

Most common MOT failures on a London Taxis International Tx4

1. A shock absorber bush excessively worn, 2.6% of tests (13.6x the national rate for this defect)
2. Body, cab or chassis excessively corroded at a mounting point, 2.2% of tests (9.53x the national rate for this defect)
3. A wheel bearing with excessive play, 1.6% of tests (9.21x the national rate for this defect)
4. The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired, 1.7% of tests (6.25x the national rate for this defect)
5. Lamp emitted colour, position or intensity not in accordance with the requirements, 2.8% of tests (4.74x the national rate for this defect)
6. A suspension pin, bush or joint excessively worn, 19.5% of tests (3.88x the national rate for this defect)
7. Parking brake efficiency below minimum requirement, 3.9% of tests (2.97x the national rate for this defect)
8. Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, 1.6% of tests (2.18x the national rate for this defect)
9. The aim of a headlamp is not within limits laid down in the requirements, 4.9% of tests (2.1x the national rate for this defect)
10. Engine MIL illuminated indicating a malfunction, 2.4% of tests (1.91x the national rate for this defect)

From 11,269 DVSA-tracked London Taxis International Tx4 tests, 2024. DVSA testers marked 4.39% of these flagged London Taxis International Tx4 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.

Most common MOT advisories on a London Taxis International Tx4

An advisory doesn't fail the car - the tester flags it as worth watching, but it still passes. A different list from the failures above: what testers are noting on a London Taxis International Tx4 before it actually fails on it.

1. Steering box leaking oil, 2% of tests (145.22x the national rate for this advisory)
2. A shock absorber bush excessively worn, 4.2% of tests (8.75x the national rate for this advisory), also fails
3. Free play in the steering, measured at the rim of the steering wheel is excessive, 1.6% of tests (8.2x the national rate for this advisory)
4. A wheel bearing with excessive play, 4.7% of tests (7.22x the national rate for this advisory), also fails
5. Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, 14.4% of tests (2.58x the national rate for this advisory)
6. Lamp emitted colour, position or intensity not in accordance with the requirements, 2.8% of tests (2.01x the national rate for this advisory), also fails
7. A suspension pin, bush or joint excessively worn, 20.3% of tests (1.52x the national rate for this advisory), also fails
8. Tyre tread depth not in accordance with the requirements, 13% of tests
9. Brake pipe damaged or excessively corroded, 6.8% of tests
10. A spring or spring component fractured or seriously weakened, 5.4% of tests

From 11,269 DVSA-tracked London Taxis International Tx4 tests, 2024.

London Taxis International Tx4 pass rate by model year

From its 2007 to its 2017 model year, the London Taxis International Tx4's first-time pass rate has risen 20.1 points, from 61.4% to 81.5%, the usual pattern: a newer model year is a younger car today, so it fails less. First-time pass rate for each London Taxis International Tx4 year:

• 2007 London Taxis International Tx4 - 61.4% first-time pass, 402 tests
• 2008 London Taxis International Tx4 - 61.6% first-time pass, 333 tests
• 2009 London Taxis International Tx4 - 61.4% first-time pass, 568 tests
• 2010 London Taxis International Tx4 - 61.9% first-time pass, 727 tests
• 2011 London Taxis International Tx4 - 63.6% first-time pass, 821 tests
• 2012 London Taxis International Tx4 - 76% first-time pass, 758 tests
• 2013 London Taxis International Tx4 - 82.6% first-time pass, 1,193 tests
• 2014 London Taxis International Tx4 - 78.4% first-time pass, 2,140 tests
• 2015 London Taxis International Tx4 - 81.8% first-time pass, 2,079 tests
• 2016 London Taxis International Tx4 - 81.9% first-time pass, 1,577 tests
• 2017 London Taxis International Tx4 - 81.5% first-time pass, 547 tests

London Taxis International Tx4 by fuel type

Diesel and petrol versions of the same car fail on different things, so the fuel type moves the number.

• Diesel London Taxis International Tx4 - 76.1% first-time pass, 10,876 tests
• LPG London Taxis International Tx4 - 62.7% first-time pass, 220 tests

Models with a similar pass rate

• Volvo Xc90 - 75.2%
• Volvo S60 - 75.2%
• Citroen C1 - 75.1%
• Volvo S80 - 75.1%
• Vauxhall Combo 2300 Sportive Td S/S - 75.1%
• Dacia Sandero - 75%

If this car is a salvage or write-off

• Does high mileage mean a worse MOT pass rate? The workhorses say no
• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences
• Do you need an HPI check on a car you know is a write-off?

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All 2,005 models ranked by MOT pass rate