The picture
Rs125: middle-of-the-pack on first-time pass
Across 1,128 MOT tests, the Rs125 returns 76.1% first-time pass — roughly in line with the UK fleet average. The single most-logged Major fail is brake pads worn below 1.0 mm. A stop-lamp out and audible warning not working round out the top three. Average tested mileage sits at 14,385, 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.
Top ten reasons for rejection.
- 01
Brake lining or pad worn below 1.0mm
21 occurrences · 1.9% of tests
- 02
Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
21 occurrences · 1.9% of tests
- 03
Audible warning not working
19 occurrences · 1.7% of tests
- 04
A transmission belt, chain, sprocket or pulley excessively loose or worn
18 occurrences · 1.6% of tests
- 05
A shock absorber not functioning or leaking severely
17 occurrences · 1.5% of tests
- 06
Reflector missing or reflecting white to the rear
15 occurrences · 1.3% of tests
- 07
A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
14 occurrences · 1.2% of tests
- 08
A footrest missing or insecure
14 occurrences · 1.2% of tests
- 09
A shock absorber not functioning or leaking severely
13 occurrences · 1.2% of tests
- 10
Rate of flashing not between 60 and 120 times per minute
11 occurrences · 1.0% 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 2 failures
£88–£195
If every one of this Rs125'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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Build your own retest budget.
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.
Item 01 · Amazon UK
Brake pad measurement gauge
Testers fail pads under 1.5mm. A wear gauge tells you if you've got two months left or two weeks.
Search Amazon UK
Item 02 · Amazon UK
H7 / W21W bulb pack
A spare-bulb kit lives in the boot. Test morning is not the time to find your stop-lamp's gone.
Search Amazon UK
Buying or keeping a Rs125?
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 a Rs125 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.