Reliability & 5-year cost of ownership — 2018 Toyota Prius
NHTSA data on file today
The 2018 Toyota Prius has 1 NHTSA recall campaign and 37 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, for the 1 NHTSA-tested trim.
Recall campaigns on file
- NHTSA #18V579000 Engine Wire Harness May Chafe and Short NHTSA notice
Most-cited components in owner complaints
- Unknown or Other 6 complaints
- Exterior Lighting 5 complaints
- Visibility/Wiper 5 complaints
- Vehicle Speed Control 4 complaints
- Air Bags 3 complaints
- Engine 3 complaints
Of the 37 complaints on file, 5 report a crash; across all 37 complaints, owners report 2 injuries (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $3,000–$5,000AI estimate — not from NHTSA data
The 2018 Toyota Prius has a mixed reliability, with a significant recall for its electrical system and various minor owner complaints. No single failure dominates, but multiple components show minor issues, suggesting average reliability. Costly repairs are relatively uncommon.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| engine wire harness | 30,000–60,000 miles | $500–$1,200 | common |
| brake system | 40,000–80,000 miles | $300–$800 | occasional |
| exterior lighting | 20,000–50,000 miles | $100–$300 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil change every 5,000 miles
- brake inspection annually
- battery check annually
- coolant flush every 50,000 miles
- tire rotation every 6,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- frequent headlight outages
- brake warning light
- unresponsive speed control
- engine warning light
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2018 Toyota Prius at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.