Lexus
RX 450h Luxury Cvt
1,829 MOT tests analysed. sits above the UK fleet average — here's where RX 450h Luxury Cvts pass, fail, and end up on the retest sheet.
That's 9.1 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
86.6%
Pass-after-fix
2.4%
Fail
10.3%
Avg miles
90,323
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
The picture
Rx 450h Luxury Cvt: a strong MOT record by UK norms
Across 1,120 MOT tests, the Rx 450h Luxury Cvt returns 87.1% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is windscreen damage. Tyre tread under the limit and wipers that don't clear the screen round out the top three. Average tested mileage sits at 85,471, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
ABI Insurance Group
Group 34–44
A high-group car — insurance costs will be significantly above average. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
34–44
out of 50
Top ten reasons for rejection.
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- 01
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
42 occurrences · 2.3% of tests
- 02
A suspension joint dust cover severely deteriorated
31 occurrences · 1.7% of tests
- 03
a brake lining or pad worn below 1.5mm
27 occurrences · 1.5% of tests
- 04
A lamp with a multiple light source up to 1/2 not functioning
23 occurrences · 1.3% of tests
- 05
A suspension joint dust cover severely deteriorated
20 occurrences · 1.1% of tests
- 06
Wiper blade missing or obviously not clearing the windscreen
17 occurrences · 0.9% of tests
- 07
Tyre tread depth not in accordance with the requirements
16 occurrences · 0.9% of tests
- 08
Wiper blade defective
16 occurrences · 0.9% of tests
- 09
A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
15 occurrences · 0.8% of tests
- 10
A suspension joint dust cover severely deteriorated
15 occurrences · 0.8% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 3 failures
£240–£640
If every one of this RX 450h Luxury Cvt's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Tools that pre-empt a retest.
Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
My Motor World · affiliate
Parts & supplies for this fix
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Motor World Lexus GS450H Saloon 2005- Car Floor Mat Set
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Owner reports · Honest John
What owners actually report.
Verbatim faults logged by owners on honestjohn.co.uk over recent years. We didn't summarise — these are the words people typed in.
What's good
It's a quiet and very comfortable conveyance with the performance of a big V8 SUV, yet fuel economy that beats all full-si
Buying or keeping an RX 450h Luxury Cvt?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own an RX 450h Luxury Cvt and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.