2004 London Taxis Int Tx Ii — MOT failures & pass rate

Across 780 MOT tests analysed for the 2004 London Taxis Int Tx Ii, the most common recorded failure areas were brakes, lighting & signalling and suspension. Its pass rate of 71.8% was below the average for cars of a similar age (74.2%).

Pass rate

780

MOT tests analysed

28.2%

Fail rate

worse than

vs cars of similar age

Avg age at test (yrs)

How it compares

Fail rate for this model-year against the segment and national averages for cars of a similar age.

Top failure categories

Most common MOT failure areas — 2004 London Taxis Int Tx Ii
#	Category	% of tests affected	Tests
1	Brakes	16.3%	127
2	Lighting & signalling	16.3%	127
3	Suspension	15.5%	121
4	Steering	9.4%	73
5	Body, structure & corrosion	8.5%	66
6	Seat belts & restraints	5.0%	39

Percentage of tests with at least one failure recorded in each category.

Most common specific failures

The exact components most often recorded as failures — more specific than the categories above.

Most frequently recorded failure items — 2004 London Taxis Int Tx Ii
#	Failure item	Times recorded
1	Rbt (sp)	91
2	Prescribed areas	80
3	Headlamp aim	76
4	Integral vehicle structure condition	73
5	Component mounting prescribed areas	59
6	Track rod end	56

Top advisory categories

Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.

Most common MOT advisories — 2004 London Taxis Int Tx Ii
#	Category	% of tests with advisory	Tests
1	Suspension	27.8%	217
2	Emissions & environmental	25.3%	197
3	Brakes	21.7%	169
4	Tyres	19.2%	150
5	Steering	17.2%	134
6	Lighting & signalling	11.4%	89

Failure rate by mileage

Higher-mileage cars tend to fail more — often the most useful guide to real condition.

MOT fail rate by recorded mileage band.

Fail rate by recorded mileage — 2004 Tx Ii
Mileage band	Tests	Fail rate
150k+	671	28.3%

Failure rate by age

How this model-year's MOT fail rate climbs as the cars get older.

By fuel type

Fail rate by fuel type — 2004 Tx Ii
Fuel	Tests	Fail rate
Diesel	633	28.1%
Petrol	132	28.8%

Trend over time

Fail rate by dataset year — 2004 Tx Ii
Dataset year	Tests	Fail rate
2021	340	26.5%
2022	218	31.2%
2023	131	28.2%
2024	59	22.0%
2025	32	37.5%

What to check before buying a 2004 Tx Ii

Before buying a 2004 London Taxis Int Tx Ii, focus on the areas it most often fails on. Brakes accounted for 16.3% of tests for this year.

Brakes (16.3% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
Lighting & signalling (16.3% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
Suspension (15.5% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.

Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.

Frequently asked questions

How many 2004 London Taxis Int Tx Iis pass their MOT?

71.8% of the 780 2004 London Taxis Int Tx Ii MOT tests in this dataset passed — a 28.2% fail rate.

What is the most common MOT failure on a 2004 London Taxis Int Tx Ii?

Brakes, recorded in 16.3% of tests, followed by lighting & signalling (16.3%).

Methodology & source. Based on 780 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.