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Vincent Comet Reliability, MOT Pass Rate & Common Faults

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Is the Vincent Comet reliable? We analysed 1,663 real MOT tests across 390 vehicles to find out.

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Data last updated: · Based on 1,663 real MOT tests
MOT Pass Rate
92.7%
Typical Mileage
8,144mi
Annual Mileage
286mi/yr
Est. Lifespan
76yrs

The Vincent Comet is above average for reliability based on real UK MOT data. Common problems include stop lamp does not illuminate immediately a brake applies, tyre tread depth is below minimum requirements of 1.0mm and horn not working. Here's everything you need to know before buying a used Vincent Comet.

Vincent Comet Number Plates

Number plates registered to a Vincent Comet. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Vincent Comet MOT Pass Rate by Year

How likely is a Vincent Comet to pass its MOT? Here's the pass rate for each registration year, newest first.

96.2%
1954
97.7%
1953
95.2%
1952
93.1%
1951
90%
1950

Vincent Comet Problems — What Goes Wrong?

The most common reasons a Vincent Comet fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Stop lamp does not illuminate immediately a brake applies 8
Tyre tread depth is below minimum requirements of 1.0mm 7
Horn not working 4
Headlamp at least one does not illuminate on main beam 4
All position lamps do not illuminate immediately when switched on 3
Handlebar handgrip not secure to handlebars. 3
Headlamp at least one does not illuminate on dipped beam 3
wheel bearings have excessive free play 3
Roller brake test The less effective brake control does not achieve an efficiency of 25%. 3
Headlamp aim too high 2

Vincent Comet Mileage — What's Normal?

How many miles does a typical Vincent Comet owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
93 mi/yr
Typical
286 mi/yr
Average
750 mi/yr
Heavy usage
649 mi/yr

Vincent Comet MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Vincent Comet year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1954 52 96.2% 7,321 15,370 32,561
1953 88 97.7% 1,545 5,822 10,406
1952 168 95.2% 5,534 10,498 29,108
1951 475 93.1% 2,635 8,000 23,305
1950 402 90.0% 3,064 7,296 30,044

How Long Does a Vincent Comet Last?

Based on 390 Vincent Comet vehicles on UK roads.

Average
49.6 years
Median
58.0 years
Estimated max lifespan
76 years

Vincent Comet Mileage Distribution

Total mileage recorded across all Vincent Comet MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
8,144 mi
75th Percentile
22,006 mi
95th Percentile
58,844 mi
Max Recorded
150,101 mi

Best Year to Buy a Used Vincent Comet

Based on MOT pass rates across all registration years with sufficient test data.

Best year
1953

97.7% MOT pass rate from 88 tests

Year to avoid
1950

90.0% MOT pass rate from 402 tests

The best year to buy a used Vincent Comet is 1953, which has the highest MOT pass rate at 97.7% across 88 tests. The 1950 model year has the lowest pass rate at 90.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Vincent Comet Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Vincent Comet THIS CAR 92.7% 1,663 8,144 mi 76 yrs
Vincent Rapide 95% 1,545 12,490 mi 79 yrs
Vincent Black Shadow 94.2% 773 13,284 mi 76 yrs
Vauxhall Mokka Elite Edition Turbo 89.1% 2,740 23,530 mi — yrs
Daelim Roadwin 72.2% 1,131 11,117 mi 22 yrs

Compared to the Vincent Rapide (95.0% pass rate) and the Vincent Black Shadow (94.2% pass rate), the Vincent Comet trails behind on MOT reliability.

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Should you buy a used Vincent Comet?

The Vincent Comet has an overall MOT pass rate of 92.7% across 1,663 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

The most common problems on the Vincent Comet are stop lamp does not illuminate immediately a brake applies (8 recorded failures), tyre tread depth is below minimum requirements of 1.0mm (7), and horn not working (4). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

A typical Vincent Comet owner drives around 286 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Vincent Comet models stay on UK roads for around 76 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Vincent Comet — Frequently Asked Questions

Is the Vincent Comet reliable?
Based on 1,663 MOT tests, the Vincent Comet has a 92.7% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Vincent Comet?
The most common MOT failures are stop lamp does not illuminate immediately a brake applies, tyre tread depth is below minimum requirements of 1.0mm, and horn not working. Check these on any test drive.
How many miles does a Vincent Comet do per year?
The typical Vincent Comet does around 286 miles per year. Anything significantly above or below this is worth investigating.
How long does a Vincent Comet last?
Most Vincent Comet models stay on UK roads for around 76 years based on our analysis of 390 vehicles.
Should I get a vehicle check before buying a Vincent Comet?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Vincent Comet?
Based on MOT pass rates, the best year to buy a used Vincent Comet is 1953 with a 97.7% pass rate across 88 tests.