Bridgestone B381: UTQG grades
Treadwear240–340
Best tractionA
Best temperatureB
NHTSA lists 7 rating entries for this tire line. Sizes are shown exactly as published.
| Size / series (as published) | Treadwear | Traction | Temperature |
|---|---|---|---|
| All sizes except | 340 | A | B |
| P145/80R14 | 240 | B | B |
| P155/65R14 | 240 | B | B |
| P175/65R15 | 240 | A | B |
| P185/64R14 "S" | 260 | A | B |
| P185/65R14 "T" | 240 | A | B |
| P185/70R14 | 240 | B | B |
Other Bridgestone tire lines
- Alenza 001 300
- Alenza 001 RFT 300
- Alenza A/S 02 700
- Alenza AS Ultra 800
- Alenza Prestige 700
- Alenza Sport A/S 500
- B250 200
- B250 "T rated" 200
- B250 "V rated" 200
- B250 ECOPIA 200
- B340 240
What do these grades mean? See our guides. Always confirm the grades molded on the tire sidewall before you buy.