Jeep Unknown Reliability, MOT Pass Rate & Common Faults
Free Jeep Unknown car check
Is the Jeep Unknown reliable? We analysed 935 real MOT tests across 248 vehicles to find out.
Got a specific Jeep Unknown? Enter the reg for a free check:
The Jeep Unknown is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Jeep Unknown.
Jeep Unknown Number Plates
Number plates registered to a Jeep Unknown. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Jeep Unknown MOT Pass Rate by Year
How likely is a Jeep Unknown to pass its MOT? Here's the pass rate for each registration year, newest first.
Jeep Unknown Common Faults & Problems
These are the most common serious faults found on Jeep Unknown models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Jeep Unknown Mileage — What's Normal?
How many miles does a typical Jeep Unknown owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Jeep Unknown MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Jeep Unknown year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2018 | 66 | 77.3% | 16,437 | 32,997 | 52,506 |
| 2017 | 58 | 87.9% | 30,536 | 46,987 | 66,653 |
| 2016 | 109 | 84.4% | 22,724 | 52,718 | 74,640 |
| 2015 | 50 | 78.0% | 41,604 | 59,870 | 79,980 |
| 2012 | 50 | 80.0% | 53,778 | 71,378 | 102,676 |
How Long Does a Jeep Unknown Last?
Based on 248 Jeep Unknown vehicles on UK roads.
Jeep Unknown Mileage Distribution
Total mileage recorded across all Jeep Unknown MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Jeep Unknown
Based on MOT pass rates across all registration years with sufficient test data.
87.9% MOT pass rate from 58 tests
77.3% MOT pass rate from 66 tests
The best year to buy a used Jeep Unknown is 2017, which has the highest MOT pass rate at 87.9% across 58 tests. The 2018 model year has the lowest pass rate at 77.3% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Jeep Unknown Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Jeep Unknown THIS CAR | 81.2% | 935 | 63,079 mi | 14 yrs |
| Jeep Renegade | 82.4% | 216,942 | 45,731 mi | 11 yrs |
| Jeep Cherokee | 79.5% | 73,214 | 61,010 mi | 27 yrs |
| Jeep Grand Cherokee | 82.8% | 71,740 | 59,138 mi | 27 yrs |
| Volkswagen Scirocco R Line Blue Tech TDI | 88.4% | 808 | 75,560 mi | — yrs |
Compared to the Jeep Renegade (82.4% pass rate) and the Jeep Cherokee (79.5% pass rate), the Jeep Unknown sits in the middle of the pack on MOT reliability.
Found a Jeep Unknown you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Jeep UnknownShould you buy a used Jeep Unknown?
The Jeep Unknown has an overall MOT pass rate of 81.2% across 935 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
On the safety side, the most frequently flagged dangerous fault is parking brake efficiency less than 50% of the required value. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Jeep Unknown with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Jeep Unknown owner drives around 3,338 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 Jeep Unknown models stay on UK roads for around 14 years. 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.