Common problems by part
Alfa Romeo Spider lights and electrics problems
DVSA MOT tests 2022–2025 · 1,378 MOT tests · Updated
At 15 years, 8.1 in 100 MOT tests of the Alfa Romeo Spider failed on lights and electrics, against 19.5 for all class 4 vehicles the same age (all test years; 1,378 MOT tests) [1].
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- Against all class 4 vehicles the same age: about average for all class 4 vehicles the same age (all test years), 111 MOT tests with a fail
- By age: seen at 3 ages from 15 to 17 years, 3,735 MOT tests
- Most common fail: Dipped headlight not working, 1.7 per 100 MOT tests
Figures are for the model as a whole, not for one car.
What the MOT tests show
What we know
8.1 fails per 100 MOT tests at 15 years, against 19.5 for all class 4 vehicles tested at 15 (all test years). That is about average.
Why it matters
A lights and electrics fail stops the car passing until it is fixed; the most common one is rated major by DVSA.
What to check
Walk round with the lights, indicators, brake lights and hazards on (ask someone to press the pedal) and check every dashboard warning light goes out after starting.
Alfa Romeo Spider lights and electrics fails by age
| Age | MOT tests | Fails per 100 | All class 4 vehicles the same age |
|---|---|---|---|
| 15 | 1,378 | 8.1 | 19.5 |
| 16 | 1,227 | 7.3 | 20.4 |
| 17 | 1,130 | 7.8 | 21.0 |
All first-use years of the Alfa Romeo Spider pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years.
What fails in the lights and electrics at 15 years
Fails
- Dipped headlight not working: 1.7 fails per 100 MOT tests, all class 4 vehicles 2.4. Replace headlamp bulb (dipped or main): estimated £19–£86 (0.2–1 h at £78/h (ONS local-garage repair quotes, 1,058 quotes from 65 garages, Sep 2025 to Aug 2026) + parts £3–£8) Headlamp not working on dipped beam MOT fail
Replace headlamp bulb (dipped or main) cost
Repair figures are estimates, not quotes: how we estimate repair costs.
Buying an Alfa Romeo Spider? Check that exact car before the viewing.
Buying Report £14.99 incl. VAT · one car · no subscription · Not a mechanical inspection.
- Model risks for this year and fuel
- What similar cars did at their next MOT
- Repairs ahead
- Viewing checklist
How to check on a test drive
Walk round with the lights, indicators, brake lights and hazards on (ask someone to press the pedal) and check every dashboard warning light goes out after starting.
Check one Alfa Romeo Spider, not the average
The figures here describe Alfa Romeo Spider cars as a group. These free tools answer for one car. Each line says what the tool reads.
- Check an Alfa Romeo Spider's MOT history Every MOT test, fail item, advisory and mileage reading DVSA holds for that registration.
- MOT advisory checker Paste an advisory or defect to read DVSA's wording, its grade and what tends to happen at the next MOT.
Other Alfa Romeo Spider problems
Lights and electrics on rival models
- Audi TT lights and electrics problems: 9.7 per 100 MOT tests at 15 years, against 8.1 for the Alfa Romeo Spider (28,240 MOT tests)
- Mazda MX-5 lights and electrics problems: 7.8 per 100 MOT tests at 15 years, against 8.1 for the Alfa Romeo Spider (22,503 MOT tests)
- Mercedes-Benz CLK lights and electrics problems: 10.8 per 100 MOT tests at 15 years, against 8.1 for the Alfa Romeo Spider (10,186 MOT tests)
Questions people ask
Does the Alfa Romeo Spider have more lights and electrics problems than other cars?
8.1 in 100 MOT tests at 15 years, against 19.5 for all class 4 vehicles the same age: about average by our test (all test years; 1,378 MOT tests).
How common are Alfa Romeo Spider lights and electrics problems?
8.1 in 100 MOT tests at 15 years failed on lights and electrics, against 19.5 for all class 4 vehicles the same age (all test years; 1,378 MOT tests).
What is the most common Alfa Romeo Spider lights and electrics fail?
1.7 in 100 MOT tests at 15 years: Dipped headlight not working (24 MOT tests with it).
Sources
- Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 3,735 MOT tests. Accessed 7 Oct 2026.
- Office for National Statistics, Consumer price inflation, local price quotes (car repair items). ONS price quotes, series 610236. Accessed 7 Oct 2026.
Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare