AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Triumph Street Triple R
Overall rating NHTSA-grounded
Above average
Estimated 5-year repair + maintenance cost: $1,500–$2,200
The 2021 Triumph STREET TRIPLE R shows an above-average reliability with minimal owner complaints and no active recalls. The limited issues reported suggest a robust performance over time.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 10,000–20,000 miles | $100–$300 | occasional |
| unknown issues | 15,000–25,000 miles | $200–$400 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake fluid replacement
- Coolant check and refill
- Chain lubrication and adjustment
- Tire inspection and rotation
- Throttle adjustment
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Electric glitches or shorting
- Weak battery performance
- Intermittent stalling or misfiring
Generated by gpt-4o on 7/25/2026. Cost ranges are conservative estimates that account for typical regional variation.