EngineLow
Minor oil consumption on some 3.5L engines.
- Typically appears
- 80,000+ miles
- What to inspect
- Check oil level and top-up history.
2018 Toyota Highlander problems
A 2018 Toyota Highlander is now 8 years old, so an average example has covered around 108,000 miles. A late-run car · the most reliable part of the generation, but higher-mileage wear items are usually the deciding factor. 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
Quick answer
The 2018 Toyota Highlander is 8 years old, so an average example has covered roughly 108,000 miles. At that mileage 1 of the documented faults are already due, so check those first.
Faults a 2018 example has usually reached
Documented onset mileage is at or below the ~108k miles an average 2018 car has covered.
Faults that appear at any mileage
Age, electronics and build-related issues that are not mileage-driven.
TransmissionLow
Occasional harsh shifts on early 8-speed (2017+).
- Typically appears
- Any
- What to inspect
- Test-drive through the gears for smooth engagement.
ElectricalLow
Entune infotainment glitches.
- Typically appears
- Any
- What to inspect
- Test the head unit and connectivity.
InteriorLow
Second-row/third-row rattles.
- Typically appears
- Age-related
- What to inspect
- Listen for rattles over bumps.
Inspecting a 2018 Toyota Highlander?
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carToyota Highlander · frequently asked questions
Is the Toyota Highlander reliable?
Very — it's among the most dependable three-row SUVs, with only minor issues to check.
Which engine is best?
The 3.5L V6 is strong and proven; the hybrid is also very reliable and efficient.
What should I check on a used Highlander?
Service history, oil level, and infotainment operation.