HYUNDAI I800 (2018)
Running costs, common problems, and reliability data based on 2,077 real MOT tests in 2024.
MOT Pass Rate
82%
Total Tests (2024)
2,077
Avg Mileage
72,297 mi
Est. Annual Cost
£1,840
Is the 2018 HYUNDAI I800 reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 6 years old, 82% of HYUNDAI I800s from 2018 passed their MOT first time in 2024. That's based on 2,077 tests across the UK. The average mileage at this age is 72,297 miles.
How does the 2018 HYUNDAI I800 compare?
Mileage Analysis
The average 2018 HYUNDAI I800 has 72,297 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.
Best year to buy a HYUNDAI I800?
The most reliable year is the 2019 model with a 86% MOT pass rate, while the 2008 model has the lowest at 67%. The 2018 sits between the two at 82%.
How much does a 2018 HYUNDAI I800 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 I800 by Year
Checking a specific HYUNDAI I800?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 HYUNDAI I800
The 2018 HYUNDAI I800 is a large car with a 2497cc diesel engine. 2,077 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It sits in the bottom 91% of 2018 cars for MOT pass rates.
With an average of 72,297 miles at 6 years old, HYUNDAI I800 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 I800 Fuel Costs
The 2497cc diesel engine offers a reasonable balance between performance and economy. 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 HYUNDAI I800?
Total estimated annual running cost is £1,840 (£153/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 82% pass rate. Keeping on top of servicing will help avoid surprises.
HYUNDAI I800 Reliability Trend
Newer HYUNDAI I800s show better MOT pass rates than older ones, with an average improvement of 8 percentage points.
Buying a Used 2018 HYUNDAI I800
At 6 years old, the HYUNDAI I800 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2019 model has the highest pass rate at 86%.
Alternatives to the 2018 HYUNDAI I800
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD TRANSIT (2016) 80% pass rate (-2%) from 78,382 tests
- FORD KUGA (2019) 91% pass rate (+9%) from 72,831 tests
- LAND ROVER RANGE ROVER EVOQUE (2016) 90% pass rate (+8%) from 60,437 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (+5%) from 59,814 tests