1984 Vauxhall Carlton MOT Pass Rate
Pass rate for Carlton models manufactured in 1984, based on 114 real MOT test results.
Data from official DVSA MOT testing records
1984 Vauxhall Carlton MOT Analysis
The 1984 Vauxhall Carlton has an MOT pass rate of 73.7% based on 114 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 56,407 miles on the odometer. With a 26.3% failure rate, the 1984 Carlton is rated as "Very Good" for MOT reliability.
The leading cause of MOT failure for the 1984 Vauxhall Carlton is Lamps, reflectors and electrical equipment, responsible for 1.8% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Identification of the vehicle is the second most common issue at 0.9%. Noise, emissions and leaks follows at 0.9%.
Top failures specific to 1984 models only. The overall Carlton page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
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| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Lamps, Reflectors And Electrical Equipment | 1.8% | 2 |
| 2 | Identification Of The Vehicle | 0.9% | 1 |
| 3 | Noise, Emissions And Leaks | 0.9% | 1 |
| 4 | Brakes | 0.9% | 1 |
Failures per 10,000 Miles
avg. 56,407 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Lamps & Electrical | 0.31 | 1.8% | 2 |
| Identification of the vehicle | 0.16 | 0.9% | 1 |
| Noise, emissions and leaks | 0.16 | 0.9% | 1 |
| Brakes | 0.16 | 0.9% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1984 Vauxhall Carlton has an MOT pass rate of 73.7% based on 114 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 56,407 miles on the odometer. With a 26.3% failure rate, the 1984 Carlton is rated as "Very Good" for MOT reliability.
If you own or are considering buying a 1984 Vauxhall Carlton, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. At 56,407 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Lamps, reflectors and electrical equipment — 1.8% of failures
Lamps, reflectors and electrical equipment issues account for 1.8% of MOT failures on 1984 Vauxhall Carlton models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Identification of the vehicle — 0.9% of failures
Identification of the vehicle issues account for 0.9% of MOT failures on 1984 Vauxhall Carlton models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.
Noise, emissions and leaks — 0.9% of failures
Noise, emissions and leaks issues account for 0.9% of MOT failures on 1984 Vauxhall Carlton models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.