Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 155/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 22.76 (578.2) | 1.57 (39.8) 7.4% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 66.59 (1691.43) | 71.51 (1816.47) | 4.92 (125.04) 7.4% |
| Sidewall Height inches (mm) | 2.6 (66) | 4.88 (124) | 2.28 (58) 87.9% |
| Revolutions per mile (km) | 951.47 (591.21) | 885.97 (550.52) | -65.49 (-40.7) -6.9% |
155/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.48 mph (34.57 km/h) |
| 25 mph (40.23 km/h) | 26.85 mph (43.21 km/h) |
| 30 mph (48.28 km/h) | 32.22 mph (51.85 km/h) |
| 35 mph (56.33 km/h) | 37.59 mph (60.49 km/h) |
| 40 mph (64.37 km/h) | 42.96 mph (69.13 km/h) |
| 45 mph (72.42 km/h) | 48.33 mph (77.77 km/h) |
| 50 mph (80.47 km/h) | 53.7 mph (86.42 km/h) |
| 55 mph (88.51 km/h) | 59.07 mph (95.06 km/h) |
| 60 mph (96.56 km/h) | 64.44 mph (103.7 km/h) |
| 65 mph (104.61 km/h) | 69.8 mph (112.34 km/h) |
| 70 mph (112.65 km/h) | 75.17 mph (120.98 km/h) |
| 75 mph (120.7 km/h) | 80.54 mph (129.62 km/h) |
| 80 mph (128.75 km/h) | 85.91 mph (138.27 km/h) |
| 85 mph (136.79 km/h) | 91.28 mph (146.91 km/h) |
| 90 mph (144.84 km/h) | 96.65 mph (155.55 km/h) |
| 95 mph (152.89 km/h) | 102.02 mph (164.19 km/h) |
| 100 mph (160.93 km/h) | 107.39 mph (172.83 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2255 | 2619 | 2821 | 2945 | 3080 | 3176 | 3281 | 3406 | 3579 | 3751 | 3943 | 4097 | 4375 | 4682 | 4922 | 5075 | 5162 | 5478 | 5920 | 6879 |
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