AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Toyota Highlander
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $4,000–$8,500
The 2018 Toyota Highlander has average reliability, primarily due to fuel pump recalls and notable complaints about brakes and powertrain issues. While generally durable, frequent brake, fuel, and electrical concerns affect its dependability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Fuel pump | 30,000–60,000 miles | $400–$1,000 | common |
| Brake vacuum pump | 20,000–50,000 miles | $300–$750 | common |
| ECM wiring | 40,000–70,000 miles | $500–$1,200 | occasional |
| Powertrain | 60,000–90,000 miles | $1,500–$3,000 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 6,000 miles
- Brake fluid change every 2 years
- Coolant replacement every 3 years
- Transmission service at 60,000 miles
- Tire rotation every 6,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Sudden loss of brake assist
- Engine hesitation or rough idle
- Fuel odor or leakage
- Persistent warning lights
Generated by gpt-4o on 6/17/2026. Cost ranges are conservative estimates that account for typical regional variation.