Suzuki Jimny Mk4 (JB64/JB74) (2019-present) reliability
Suzuki Jimny Mk4 (JB64/JB74) built around 2020: about average at the MOT
Suzuki Jimny Mk4 (JB64/JB74) models built around 2020 fail their MOT a little less often than similar cars the same age.
Looking at a Suzuki Jimny Mk4 (JB64/JB74) right now?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
9% of MOT tests on Suzuki Jimny Mk4 (JB64/JB74) models built around 2020 ended in a fail (retests included), against 12% for similar cars the same age.
Most common issue
The most common MOT issue on Suzuki Jimny Mk4 (JB64/JB74) models built around 2020 involves the brakes.

Based on 3,103 tests of Jimny models registered 2019+.
About 1 in 20 petrol Jimny cars registered in 2022 (4.6%) failed their first MOT.
Based on 412 first MOTs (DVSA MOT results, 2025).
About 1 in 100 Jimny Mk4 (JB64/JB74) MOTs (1.1%) failed and still hadn't passed 3 days later. That's for cars built around 2020 (5 years old), all fuels combined.
Based on 1,138 tests (DVSA MOT results, 2025). A fail that passed a retest within 3 days, even the same day, isn't counted. Nor is a fail with no later MOT on record.
About 1 in 100 Jimny Mk4 (JB64/JB74) MOTs (1.1%) found at least one dangerous defect. These are cars built around 2020 (5 years old).
Based on 1,138 tests (DVSA MOT results, 2025). Dangerous is the most serious grade an MOT gives: a direct risk to road safety.
Mk4 (JB64/JB74) fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 6 years old.
How the Jimny Mk4 (JB64/JB74) compares
At each age below, see how the Jimny Mk4 (JB64/JB74) holds up against other cars the same age. The averages combine all fuel types.
Based on 25,930 tests across 9 Suzuki models, built around 2020 (5 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Brake discs
High priorityAsk for the date and mileage of the last disc replacement; visually check for a deep wear lip and rust pitting on each disc.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Visibility
Worth checkingInspect the visibility carefully and ask the seller for repair history.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Windscreen
If you have timeInspect for chips and cracks in the wiper sweep area (Zone A) — these will fail an MOT.
Other SUVs to compare
Other SUVs, with each one's figures taken at the same age as the Jimny Mk4 (JB64/JB74).
- 1

Mitsubishi Eclipse
Same body type, tested at the same age
- Fail rate
- 12.3%
No clear edge over the Suzuki Jimny Mk4 (JB64/JB74) on these figures.
Some figures could not be compared for these two cars. So this comparison uses the fail rate and recalls only.
1,475 MOT tests on cars built around 2020
- 2

Lexus UX
Same body type, tested at the same age
- Fail rate
- 7.1%
- Fail, no pass in 3 days
- 0.6%
- Dangerous
- 2.3%
Fewer fails still not passed 3 days later: 0.6%, against 1.1% for the Suzuki Jimny Mk4 (JB64/JB74).
4,133 MOT tests on cars built around 2020
- 3

Lexus RX
Same body type, tested at the same age
- Fail rate
- 4.9%
- Fail, no pass in 3 days
- 0.8%
- Dangerous
- 1.5%
- Still registered at 10 years
- 90.4%
Lower fail rate: 4.9%, against 9.1% for the Suzuki Jimny Mk4 (JB64/JB74), both built around 2020.
1,790 MOT tests on cars built around 2020
- 4

Volkswagen T-Roc
Same body type, tested at the same age
- Fail rate
- 8.9%
- Fail, no pass in 3 days
- 1%
- Dangerous
- 3.8%
No clear edge over the Suzuki Jimny Mk4 (JB64/JB74) on these figures.
19,831 MOT tests on cars built around 2020
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
Recall context
8 recalls in all2 of the 8 Jimny Mk4 (JB64/JB74) recalls cover cars built in these years.
- 2 recalls
Top concerns
- Jimny fuel pump replacement
- Improper design of the driver side and the passenger side door harnesses may affect air bag operation
For the exact car, check GOV.UK's recall checker with the number plate.
How Jimny Mk4 (JB64/JB74) cars have aged
How Jimny Mk4 (JB64/JB74) cars have aged
How fail rates have changed as these cars got older. Each line follows cars first registered in about the same year across several years of MOT data. Not a prediction for any one car.
Some lines cover only a year or two, so read this as a rough guide.
Mk4 (JB64/JB74) variants compared
Most common issues on Suzuki Jimnys of this age
This list covers every Suzuki Jimny built around 2020, whichever generation it is. We don't have a defect list for the Mk4 (JB64/JB74) on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 19.8%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
- 26.3%Advisory
Tyre worn close to the legal limit or worn on the edge
- 33.4%Major
Wiper does not clear the windscreen properly
- 42.9%Minor
Windscreen damaged, but the driver can still see clearly
- 51.8%Advisory
Brake pads wearing thin
Based on 1,138 tests
Looking at a Suzuki Jimny Mk4 (JB64/JB74) right now?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2020 (5 years old), the Suzuki Jimny Mk4 (JB64/JB74) (2019-present) fails MOTs noticeably less often than typical for this age. This is based on 1,138 5-year-old MOT tests from DVSA data. Each retest counts as a test.