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MOT failures by make

Lexus MOT failures for “Registration plate lamp(s): inoperative in the case of a single lamp or all lamps”

Lexus cars failed their MOT on “Registration plate lamp(s): inoperative in the case of a single lamp or all lamps” in 0.43% of 324,773 tests in 2023–2024 (1,394 tests) — 62% less often than comparable cars of the same age, mileage and fuel, which would have failed on it in about 1.13% of tests. It is the number 15 most common failure item on Lexuss.

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Data to 2024-12-30 · Page updated 2026-09-28 · Publisher: 73 Auto

Lexus tests failing on it
0.43%
1,394 of 324,773 tests, 2023–2024
Comparable cars
1.13%
national rate at the same age, mileage and fuel
Observed ÷ expected
0.38×
73 Auto analysis · rank #15 for Lexus

How unusual this is for the make

Across all MOT failures, Lexuss fail 30% less often than comparable cars. On this item the gap is 0.54× narrower than that overall level, so it is a genuine Lexus pattern rather than a reflection of how often the make fails in general. It is a major defect in the lights, reflectors and electrical part of the test. Nationally it appears on 1.10% of MOT tests.

Lexus models and “Registration plate lamp(s): inoperative in the case of a single lamp or all lamps”

The Lexus NX is least affected (0.01× comparable cars); the Lexus CT most (0.84×). Every model listed is below the national rate, so the pattern runs across the range. Model rows compare with cars of the same age and fuel.

Lexus models: share of MOT tests failing on Registration plate lamp(s): inoperative in the case of a single lamp or all lamps
ModelTestsFailed on itvs similar cars
Lexus CT62,0191.10%0.84×
Lexus RX73,3040.53%0.33×
Lexus IS77,3000.31%0.20×
Lexus UX20,2300.01%0.03×
Lexus NX53,6080.01%0.01×
Models with at least 10,000 MOT tests and 30 expected failures on this item. 2023–2024 DVSA data; 73 Auto analysis.

By age at test

The difference is most pronounced at 7-8 years old: 0.02% of Lexus tests against 0.74% for comparable cars.

Lexus: share of MOT tests failing on Registration plate lamp(s): inoperative in the case of a single lamp or all lamps by age band, against comparable cars
Age (years)Lexus testsLexusComparable cars
3-452,1430.01%0.11%
5-644,4420.01%0.30%
7-845,1570.02%0.74%
9-1035,1400.66%1.46%
11-1228,4631.46%2.19%
13-1535,7200.52%2.09%
16+62,7570.86%2.01%

Other Lexus MOT faults that stand out

Limitations

Official data: DVSA's anonymised MOT results (2023–2024), class 4 initial tests, cars at least 2.5 years old. 73 Auto analysis: the comparison rate applies the national rate of this item for each test's own age, mileage band and fuel to the Lexus tests. An MOT result reflects maintenance, mileage and how a car is used as well as its design, so this is not a measure of which make is most reliable. The wording of the defect is DVSA's.

Has this Lexus failed on it before?

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UK number plate or 17-character VIN

Where these figures come from

Figures labelled as 73 Auto estimates are our own analysis of these sources, set out in the methodology and data sources. To report a factual error, see corrections.