AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Toyota Prius Plug-In Hybrid
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $2,500–$4,000
The 2018 Toyota Prius Plug-in Hybrid exhibits impressive reliability with minimal recalls and few owner complaints, focused mainly on minor issues.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| battery system | 60,000–100,000 miles | $800–$1,500 | common |
| headlight assembly | 30,000–60,000 miles | $200–$400 | occasional |
| brake pads | 40,000–70,000 miles | $150–$300 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Tire rotation and balance every 10,000 miles
- Brake inspection every 15,000 miles
- Coolant check and refill every 30,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual battery draining
- Headlight dimming or flickering
- Brake pedal sponginess
- Unexpected dash warning lights
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.