1.0 T-GDi carbon build-up and misfire
- Typically appears
- 70,000+ miles
- What to inspect
- Check idle quality and engine light history

A 2018 Hyundai i20 is now 8 years old, so an average example has covered around 108,000 miles. A mid-run car · most launch faults had been addressed by this point, and wear items are the main risk at this age. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2018 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
The 2018 Hyundai i20 is 8 years old, so an average example has covered roughly 108,000 miles. At that mileage 2 of the documented faults are already due, so check those first.
Documented onset mileage is at or below the ~108k miles an average 2018 car has covered.
1.0 T-GDi carbon build-up and misfire
Front drop links knocking
Age, electronics and build-related issues that are not mileage-driven.
Infotainment, Bluetooth and camera faults
Rear disc corrosion on low-mileage cars
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carBroadly yes, it is a low-drama retail car with good warranty history.
Rear discs on cars that have stood, and tyres.
Premium and Ultimate cars with the larger screen.