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Willys Jeep Reliability, MOT Pass Rate & Common Faults

Free Willys Jeep car check

Is the Willys Jeep reliable? We analysed 2,990 real MOT tests across 494 vehicles to find out.

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Data last updated: · Based on 2,990 real MOT tests
MOT Pass Rate
89.1%
Typical Mileage
13,494mi
Annual Mileage
226mi/yr
Est. Lifespan
84yrs

The Willys Jeep is above average for reliability based on real UK MOT data. Common problems include stop lamp not working, headlamp not working on dipped beam and parking brake: efficiency below requirements. Here's everything you need to know before buying a used Willys Jeep.

Willys Jeep Number Plates

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

Willys Jeep MOT Pass Rate by Year

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

88.1%
2006
90%
2005
90.5%
2004
88.6%
2002
90.4%
2001
88.5%
2000
83.3%
1999
89.4%
1998
85.7%
1997
88.7%
1994
98.1%
1992
91.8%
1985
95.4%
1984
87.3%
1982
93.4%
1959
93.2%
1958
88.7%
1957
87.7%
1951
89.1%
1947
87.7%
1946

Willys Jeep Problems — What Goes Wrong?

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

Stop lamp not working 58
Headlamp not working on dipped beam 39
Parking brake: efficiency below requirements 36
position lamp(s) not working 31
Parking brake: efficiency below requirements 27
Headlamp not working on main beam 27
Service brake: efficiency below requirements 22
brake binding 21
Brakes imbalanced across an axle 19
Direction indicator not working 16

Willys Jeep Mileage — What's Normal?

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

Low usage
79 mi/yr
Typical
226 mi/yr
Average
864 mi/yr
Heavy usage
547 mi/yr

Willys Jeep MOT Data by Registration Year

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

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2006 59 88.1% 319 497 6,326
2005 100 90.0% 857 3,621 10,849
2004 147 90.5% 1,932 4,123 7,002
2002 79 88.6% 2,822 6,636 13,860
2001 73 90.4% 3,320 6,489 40,375
2000 78 88.5% 2,474 4,342 10,778
1999 60 83.3% 14,912 16,998 35,552
1998 85 89.4% 7,093 10,612 20,740
1997 77 85.7% 9,164 12,416 20,810
1994 71 88.7% 14,518 25,723 36,955
1992 54 98.1% 3,046 9,023 13,700
1985 61 91.8% 6,899 16,764 43,747
1984 109 95.4% 1,738 13,519 21,307
1982 63 87.3% 1,935 3,509 52,103
1959 91 93.4% 3,601 11,863 34,066
1958 59 93.2% 6,116 10,446 23,712
1957 71 88.7% 16,503 30,814 46,687
1951 65 87.7% 4,168 8,135 17,424
1947 193 89.1% 3,337 13,523 30,742
1946 57 87.7% 18,078 19,924 42,714

How Long Does a Willys Jeep Last?

Based on 494 Willys Jeep vehicles on UK roads.

Average
34.1 years
Median
27.5 years
Estimated max lifespan
84 years

Willys Jeep Mileage Distribution

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

Median
13,494 mi
75th Percentile
34,302 mi
95th Percentile
75,180 mi
Max Recorded
833,542 mi

Best Year to Buy a Used Willys Jeep

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

Best year
1992

98.1% MOT pass rate from 54 tests

Year to avoid
1999

83.3% MOT pass rate from 60 tests

The best year to buy a used Willys Jeep is 1992, which has the highest MOT pass rate at 98.1% across 54 tests. The 1999 model year has the lowest pass rate at 83.3% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Willys Jeep Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Willys Jeep THIS CAR 89.1% 2,990 13,494 mi 84 yrs
Willys Mb 94.3% 732 15,428 mi 68 yrs
Honda XL 700 Va-a 90% 1,107 14,811 mi 16 yrs
Royal Enfield Continental 89.2% 3,999 3,802 mi 13 yrs
Dacia Duster Laureate DCI 4X2 85% 2,171 67,627 mi — yrs

Compared to the Willys Mb (94.3% pass rate) and the Honda XL 700 Va-a (90.0% pass rate), the Willys Jeep trails behind on MOT reliability.

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Should you buy a used Willys Jeep?

The Willys Jeep has an overall MOT pass rate of 89.1% across 2,990 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 Willys Jeep are stop lamp not working (58 recorded failures), headlamp not working on dipped beam (39), and parking brake: efficiency below requirements (36). 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 Willys Jeep owner drives around 226 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 Willys Jeep models stay on UK roads for around 84 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.

Willys Jeep — Frequently Asked Questions

Is the Willys Jeep reliable?
Based on 2,990 MOT tests, the Willys Jeep has a 89.1% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Willys Jeep?
The most common MOT failures are stop lamp not working, headlamp not working on dipped beam, and parking brake: efficiency below requirements. Check these on any test drive.
How many miles does a Willys Jeep do per year?
The typical Willys Jeep does around 226 miles per year. Anything significantly above or below this is worth investigating.
How long does a Willys Jeep last?
Most Willys Jeep models stay on UK roads for around 84 years based on our analysis of 494 vehicles.
Should I get a vehicle check before buying a Willys Jeep?
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 Willys Jeep?
Based on MOT pass rates, the best year to buy a used Willys Jeep is 1992 with a 98.1% pass rate across 54 tests.