HYUNDAI I40 (2018)
Running costs, common problems, and reliability data based on 1,915 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
1,915
Avg Mileage
79,321 mi
Est. Annual Cost
£1,632
Is the 2018 HYUNDAI I40 reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%. It also outperforms the HYUNDAI brand average of 83%.
At 6 years old, 88% of HYUNDAI I40s from 2018 passed their MOT first time in 2024. That's based on 1,915 tests across the UK. The average mileage at this age is 79,321 miles.
How does the 2018 HYUNDAI I40 compare?
Mileage Analysis
The average 2018 HYUNDAI I40 has 79,321 miles on the clock, which is well above the expected 44,400 miles for a 6-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2018 HYUNDAI I40 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.
HYUNDAI I40 by Year
Checking a specific HYUNDAI I40?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 HYUNDAI I40
The 2018 HYUNDAI I40 is a family car with a 1685cc diesel engine. 1,915 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model falls short of that benchmark.
With an average of 79,321 miles at 6 years old, HYUNDAI I40 owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2018 HYUNDAI I40 Fuel Costs
The 1685cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 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 HYUNDAI I40?
Total estimated annual running cost is £1,632 (£136/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
HYUNDAI I40 Reliability Trend
Newer HYUNDAI I40s show better MOT pass rates than older ones, with an average improvement of 10 percentage points.
Buying a Used 2018 HYUNDAI I40
At 6 years old, the HYUNDAI I40 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 HYUNDAI I40
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2017) 91% pass rate (+3%) from 127,682 tests
- FORD FOCUS (2019) 89% pass rate (+1%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+3%) from 89,588 tests
- MERCEDES A-CLASS (2017) 88% pass rate (same) from 82,055 tests