JEEP GRAND CHEROKEE (2018)
Running costs, common problems, and reliability data based on 853 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
853
Avg Mileage
52,382 mi
Est. Annual Cost
£1,690
Is the 2018 JEEP GRAND CHEROKEE reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the JEEP brand average of 78%.
At 6 years old, 91% of JEEP GRAND CHEROKEEs from 2018 passed their MOT first time in 2024. That's based on 853 tests across the UK. The average mileage at this age is 52,382 miles.
How does the 2018 JEEP GRAND CHEROKEE compare?
Mileage Analysis
The average 2018 JEEP GRAND CHEROKEE has 52,382 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
How much does a 2018 JEEP GRAND CHEROKEE cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
JEEP GRAND CHEROKEE by Year
Checking a specific JEEP GRAND CHEROKEE?
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About the 2018 JEEP GRAND CHEROKEE
The 2018 JEEP GRAND CHEROKEE is a large car with a 2987cc diesel engine. 853 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.
With an average of 52,382 miles at 6 years old, JEEP GRAND CHEROKEE owners drive about as much as the UK average.
2018 JEEP GRAND CHEROKEE Fuel Costs
The 2987cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2018 JEEP GRAND CHEROKEE?
Total estimated annual running cost is £1,690 (£141/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
JEEP GRAND CHEROKEE Reliability Trend
Newer JEEP GRAND CHEROKEEs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2018 JEEP GRAND CHEROKEE
At 6 years old, the JEEP GRAND CHEROKEE offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2018 JEEP GRAND CHEROKEE
The JEEP GRAND CHEROKEE is actually the most reliable option among similar diesel large cars from this era. Here are comparable diesel cars with similar engines:
- MERCEDES E (2019) 90% pass rate (-1%) from 41,000 tests
- MERCEDES GLC (2018) 91% pass rate (same) from 40,494 tests
- AUDI A5 (2017) 89% pass rate (-2%) from 33,531 tests
- FORD RANGER (2019) 87% pass rate (-4%) from 32,194 tests