Hyundai I800 service: key facts
- Oil service every 10,000 miles or 1 year
- Basic service costs £80–£200 depending on garage
- Timing belt and tensioner: £600–£900 — don't skip this one
- 1 generation from 2008 to 2021
- 8 tracked service items across routine, major, and periodic schedules
Routine service items
These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.
| Service item | Interval | Typical cost |
|---|---|---|
|
Engine oil and filter
Manufacturer interval 10,000 miles or 12 months.
H-1
|
10,000 miles or 1 year |
£80–£120
Dealer: £140–£200
|
|
Air filter
Replace every 20,000 miles or 2 years. Check more frequently if operating in dusty conditions. Blocked air filter increases fuel consumption and reduces power on turbo diesel engines.
H-1
|
20,000 miles or 2 years |
£25–£40
Dealer: £40–£60
|
|
Cabin pollen filter
Replace every 20,000 miles or 2 years. Located behind glove box. Blocked filter reduces heating and ventilation efficiency. Check annually if vehicle used in high-pollution areas.
H-1
|
20,000 miles or 2 years |
£20–£35
Dealer: £35–£55
|
|
Fuel filter
Replace every 40,000 miles or 4 years.
H-1
|
40,000 miles or 4 years |
£60–£90
Dealer: £90–£130
|
Major service items
These are the big-ticket items. Miss them and you risk engine or gearbox damage. The costs are higher but the consequences of skipping are much worse.
| Service item | Interval | Typical cost |
|---|---|---|
|
Timing belt and tensioner
Replace every 100,000 miles or 10 years, whichever comes first.
H-1
|
100,000 miles or 10 years |
£600–£900
Dealer: £1200–£1800
|
|
Gearbox oil
Manual gearbox oil change every 100,000 miles recommended by specialists, though manufacturer claims lifetime fill.
H-1
|
100,000 miles or 10 years |
£120–£180
Dealer: £200–£280
|
Periodic maintenance
Items that don't need doing at every service but should be on your radar at the right mileage or age.
| Service item | Interval | Typical cost |
|---|---|---|
|
Brake fluid
Replace every 2 years regardless of mileage. Brake fluid absorbs moisture over time reducing braking performance and causing internal corrosion. Use DOT 4 specification fluid only.
H-1
|
2 years |
£60–£90
Dealer: £90–£130
|
|
Coolant flush
Full system flush every 100,000 miles or 10 years.
H-1
|
100,000 miles or 10 years |
£100–£150
Dealer: £180–£250
|
Check a Hyundai I800's service history
Enter a reg to see franchised dealer service records — dates, mileage, and work done at every visit.
Check service history£6.99 · Full refund if no records found
Related
Hyundai I800 service FAQs
How often should a Hyundai I800 be serviced?
A Hyundai I800 should have an oil service every 10,000 miles or 1 year, whichever comes first. Manufacturer interval 10,000 miles or 12 months.
How much does a Hyundai I800 service cost?
A basic service at an independent garage typically costs £80–£120. Main dealer servicing is usually £140–£200. Major items like timing belts or gearbox services cost significantly more.
Can I service a Hyundai I800 at an independent garage?
Yes. Under UK consumer law, using an independent garage does not void your manufacturer warranty, provided they use parts meeting the manufacturer's specification and follow the correct schedule. However, independent services won't appear in the franchised dealer digital records.