Ssangyong Rexton Mk3 (Y400) (2018-present) reliability
Ssangyong Rexton Mk3 (Y400) built around 2018: not enough MOT data yet
We've only seen a handful of Ssangyong Rexton Mk3 (Y400) models built around 2018 so far. Too few to spot a pattern yet.
Looking at a Ssangyong Rexton Mk3 (Y400) right now?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
Check a car’s number plate to see its own MOT record, or come back when there’s more MOT history.

Based on 1,864 tests of Rexton models registered 2018+.
About 1 in 6 diesel Rexton cars registered in 2022 (18%) failed their first MOT.
Based on 400 first MOTs (DVSA MOT results, 2025).
Mk3 (Y400) 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 5 years old.
How the Rexton Mk3 (Y400) compares
At each age below, see how the Rexton Mk3 (Y400) holds up against other cars the same age. The averages combine all fuel types.
Based on 4,197 tests across 5 Ssangyong models, built around 2018 (7 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 pads
High priorityAsk when the pads were last replaced and check the warning-light history.
Brake pipes and hoses
High priorityLook under the car for corrosion or chafing on the rigid brake pipes near the rear axle.
Suspension bushes and joints
Worth checkingListen for knocks over speed bumps and ask about recent control-arm or anti-roll-bar work.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Steering track rods
Worth checkingOn a flat surface, rock the steering wheel briefly with the engine off and listen for clunks.
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.
Other SUVs to compare
Other SUVs, with each one's figures taken at the same age as the Rexton Mk3 (Y400).
- 1

Porsche Macan
Same body type, tested at the same age
- Fail rate
- 8.7%
- Fail, no pass in 3 days
- 2%
- Dangerous
- 2.4%
- Still registered at 10 years
- 91.6%
Lower fail rate: 8.7%, against 20.4% for the Ssangyong Rexton Mk3 (Y400), both built around 2018.
2 critical recall campaigns matching this model/build period.
4,936 MOT tests on cars built around 2018
- 2

Lexus RX
Same body type, tested at the same age
- Fail rate
- 7.6%
- Fail, no pass in 3 days
- 1.3%
- Dangerous
- 2.9%
- Still registered at 10 years
- 90.4%
Lower fail rate: 7.6%, against 20.4% for the Ssangyong Rexton Mk3 (Y400), both built around 2018.
1,815 MOT tests on cars built around 2018
- 3

Lexus NX
Same body type, tested at the same age
- Fail rate
- 9.5%
- Fail, no pass in 3 days
- 1%
- Dangerous
- 2.7%
- Still registered at 10 years
- 88.4%
Lower fail rate: 9.5%, against 20.4% for the Ssangyong Rexton Mk3 (Y400), both built around 2018.
4,706 MOT tests on cars built around 2018
- 4

Volkswagen T-Roc
Same body type, tested at the same age
- Fail rate
- 9.6%
- Fail, no pass in 3 days
- 0.9%
- Dangerous
- 3.9%
Lower fail rate: 9.6%, against 20.4% for the Ssangyong Rexton Mk3 (Y400), both built around 2018.
9,233 MOT tests on cars built around 2018
- 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
2 recalls in allNo recall notices match this build period.
For the exact car, check GOV.UK's recall checker with the number plate.
How Rexton Mk3 (Y400) cars have aged
How Rexton Mk3 (Y400) 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.
Mk3 (Y400) variants compared
Most common issues on Ssangyong Rextons of this age
This list covers every Ssangyong Rexton built around 2018, whichever generation it is. We don't have a defect list for the Mk3 (Y400) on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 118.4%Advisory
Brake pads wearing thin
- 216.6%Advisory
Tyre worn close to the legal limit or worn on the edge
- 312.9%Advisory
Suspension arm pin or bush worn, but not moving too much
- 49.6%Advisory
Track rod end ball joint has slight play
- 55.9%Advisory
Brake pipe corroded or covered in grease
Based on 512 tests
Looking at a Ssangyong Rexton Mk3 (Y400) right now?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2018 (7 years old), the Ssangyong Rexton Mk3 (Y400) (2018-present) fails MOTs noticeably more often than typical for this age. This is based on 280 7-year-old MOT tests from DVSA data. Each retest counts as a test.