AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Triumph Street Triple
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $2,000–$3,500
The 2018 Triumph STREET TRIPLE experiences minimal issues with service brakes and the electrical system, leading to an average overall reliability rating. No major recall campaigns suggest an absence of widespread or dangerous defects.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| service brakes | 30,000–50,000 miles | $150–$300 | occasional |
| electrical system | 20,000–40,000 miles | $100–$250 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Coolant flush
- Chain and sprocket inspection
- Valve clearance check
- Tire replacement
- Battery check and maintenance
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Spongy brake feel
- Dimming headlights
- Stalling
- Unresponsive brake lever
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.