Common problems
Renault Kadjar common problems and reliability issues
Honest rundown of the most common Renault Kadjar faults, what to watch for, and how to keep one running well.
Updated 4th September 2026 DVSA data: Across 68,605 recorded MOT tests, 21.8% failed.

More on the Renault Kadjar
TL;DR
The Renault Kadjar, popular among families, has common issues including injector failures in the 1.5 dCi engine (2015-2018), automatic transmission rough shifting (2016-2018), and electrical faults in infotainment systems (2015-2019). Potential buyers should be aware of these problems and consider models with a proven service history.
Engine Issues
The Renault Kadjar has been known to experience engine problems, particularly with the 1.5 dCi diesel engine. Models made between 2015 and 2018 often report injector failures, leading to poor performance and increased fuel consumption. Regular maintenance and timely servicing can help mitigate these issues.
Transmission Problems
Automatic transmission issues have been reported in Kadjar models from 2016 to 2018. Drivers have noted rough shifting and delays in gear changes. It is wise to test drive an automatic version and pay attention to how smoothly the gearbox operates to avoid potential problems.
Suspension Concerns
Some Kadjar owners have experienced suspension problems, particularly with the front struts, more prevalent in vehicles from 2015 to 2019. Signs of suspension wear include unusual noises over bumps or a rough ride. Regular checks can help identify problems early and improve ride quality significantly.
Electrical Faults
Electrical issues are another common complaint among Renault Kadjar owners, often arising with the infotainment system and dashboard warning lights, especially in models manufactured between 2015 and 2019. If you notice any irregularities, it is advisable to seek professional help to address these concerns.
Recalls and Safety Issues
The Renault Kadjar has faced several recalls for potential fuel leaks and braking system concerns in models from 2015 to 2017. Always check if a vehicle has been recalled and ensure necessary repairs have been completed before purchasing, particularly regarding rear seatbelt functionality.
What people are asking
Is the Renault Kadjar a reliable car?
The Renault Kadjar has received mixed reviews regarding reliability. Some owners report smooth experiences with no significant issues, while others have flagged various faults, particularly in earlier models. Regular maintenance can help improve overall reliability.
Which Kadjar model to avoid?
Many buyers suggest avoiding the 2016-2018 models due to reported transmission problems and electrical faults. These issues can lead to costly repairs, so it may be wise to consider models outside this range or those with a proven service history.
What is the engine problem in the Renault Kadjar?
The most common engine issue reported is injector failure in the 1.5 dCi diesel engine, particularly in models from 2015 to 2018. This can lead to reduced performance and increased fuel consumption, making it essential to monitor engine health closely.
How long will a Renault Kadjar last?
With proper maintenance, a Renault Kadjar can last over 100,000 miles. However, some owners have reported issues that may affect longevity, especially if the car has not been well maintained or has experienced significant faults.
What owners say
Many users report that the vehicle is generally reliable, with some individuals noting they have driven their Kadjar for over 30,000 miles without issues. However, others have pointed out that the electronics can be problematic, with glitches in the infotainment system. Owners have shared a range of experiences regarding the Renault Kadjar.
Some drivers have experienced slipping and rough shifting, leading to recommendations that potential buyers should thoroughly test drive automatic models before purchasing. When discussing common faults, users have highlighted issues with the automatic gearbox.
However, they caution that certain models may come with hidden issues, particularly those from the 2016-2018 range, known for their transmission problems. In terms of value, buyers have mentioned that the Kadjar offers good value for money, particularly considering its features and comfort.
Finally, some owners have expressed concerns about the long-term durability of the Kadjar. While it can last a significant amount of time with proper care, issues such as injector failures and electrical faults can arise, deterring some potential buyers. Regular servicing and addressing problems promptly are key to ensuring a longer lifespan for the vehicle.
Renault Kadjar recall record
6 recalls have been issued for the Renault Kadjar, between 2016 and 2020.
CHILD LOCK DISENGAGES AFTER BEING ACTIVATED
R/2020/235Issued 26 August 2020
The child lock disengages after it was activated by the customer.
Remedy:Fit a retaining clip to the door locks.
Affects cars built Jun 2015 to Mar 2018
INCORRECT NOx CONTROL
R/2020/213Issued 21 July 2020
Lack of NOX-neutralizing substance in the catalytic converter meaning incorrect NOx Control
Remedy:Replace the catalytic convertor
Affects cars built Oct 2019 to Oct 2019
SIDE AIR CURTAIN MAY NOT DEPLOY
R/2017/172Issued 1 September 2017
The curtain airbag (one or both side) may not deploy in the event of a side impact because the pyrotechnic mix ratio in the ignitor could be incorrect..
Remedy:Recall the vehicles that are likely to be affected and check the serial number of the curtain airbag. Replace airbag if required.
Affects cars built Sept 2016 to Nov 2016
SEAT BELT ANCHORAGE POINTS MAY BE INSECURE
R/2016/096Issued 26 April 2016
On affected vehicles the rear side members may not have been correctly constructed. This could compromise seat belt operation during a collision.
Remedy:Renault Dealers will advise of any action required
2 older recalls not shown.
A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.
Renault Kadjar MOT record
From 68,605 recorded MOT tests, 21.8% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2022 | 673 | 8.0% | 23,184 mi |
| 2021 | 1,514 | 9.3% | 29,171 mi |
| 2020 | 7,859 | 14.7% | 35,301 mi |
| 2019 | 11,578 | 16.7% | 42,035 mi |
| 2018 | 10,804 | 20.6% | 53,248 mi |
| 2017 | 14,385 | 22.8% | 61,371 mi |
| 2016 | 18,829 | 27.9% | 70,649 mi |
| 2015 | 2,963 | 30.4% | 77,876 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements27.3%
- a brake lining or pad worn below 1.5mm20.9%
- A suspension pin, bush or joint excessively worn19.8%
- A tyre seriously damaged19.6%
- Brake disc or drum excessively weakened, insecure or fractured12.4%
Figures cover every Renault Kadjar tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Renault Kadjar official figures
Median across 8 variants on sale, petrol.
- Combined economy
- 45.6 mpg
- WLTP median across variants
- CO2 emissions
- 141 g/km
- Sets the first-year tax rate
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What are the common engine problems with the Renault Kadjar?
Some Kadjar models, particularly from 2015 to 2018, have reported issues with the 1.5 dCi engine, including injector failures.
Are there transmission issues with the Renault Kadjar?
Yes, the automatic gearbox in some models has been known to experience rough shifting, especially in the 2016-2018 range.
What electrical faults should I be aware of?
Drivers have reported problems with the infotainment system and dashboard warning lights, mainly in 2015-2019 models.
Have there been any recalls for the Renault Kadjar?
Recalls are issued against individual vehicles rather than a model as a whole, so a model-level yes or no would be guesswork. Enter the registration on Honest Car Check and we check the DVSA record for that specific car. Where DVSA holds no status, confirm it with a franchised dealer using the VIN.
Is the Renault Kadjar a reliable car?
The Renault Kadjar has received mixed reviews regarding reliability, with some owners reporting no issues while others have encountered various faults.
Which Kadjar model to avoid?
Many buyers suggest avoiding the 2016-2018 models due to reported transmission problems and electrical faults.
What is the engine problem in the Renault Kadjar?
The most common engine issue reported is injector failure in the 1.5 dCi diesel engine, particularly in models from 2015 to 2018.
How long will a Renault Kadjar last?
With proper maintenance, a Renault Kadjar can last over 100,000 miles, but some owners have reported issues that may affect longevity.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- VCA new car fuel consumption and emissions data (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)