Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-13 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.76 (578.2) | 24.02 (610.2) | 1.26 (32) 5.5% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 71.51 (1816.47) | 75.47 (1917) | 3.96 (100.53) 5.5% |
| Sidewall Height inches (mm) | 4.88 (124) | 5.51 (140) | 0.63 (16) 12.9% |
| Revolutions per mile (km) | 885.97 (550.52) | 839.51 (521.65) | -46.46 (-28.87) -5.2% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.11 mph (33.97 km/h) |
| 25 mph (40.23 km/h) | 26.38 mph (42.46 km/h) |
| 30 mph (48.28 km/h) | 31.66 mph (50.95 km/h) |
| 35 mph (56.33 km/h) | 36.94 mph (59.44 km/h) |
| 40 mph (64.37 km/h) | 42.21 mph (67.94 km/h) |
| 45 mph (72.42 km/h) | 47.49 mph (76.43 km/h) |
| 50 mph (80.47 km/h) | 52.77 mph (84.92 km/h) |
| 55 mph (88.51 km/h) | 58.04 mph (93.41 km/h) |
| 60 mph (96.56 km/h) | 63.32 mph (101.9 km/h) |
| 65 mph (104.61 km/h) | 68.6 mph (110.4 km/h) |
| 70 mph (112.65 km/h) | 73.87 mph (118.89 km/h) |
| 75 mph (120.7 km/h) | 79.15 mph (127.38 km/h) |
| 80 mph (128.75 km/h) | 84.43 mph (135.87 km/h) |
| 85 mph (136.79 km/h) | 89.7 mph (144.37 km/h) |
| 90 mph (144.84 km/h) | 94.98 mph (152.86 km/h) |
| 95 mph (152.89 km/h) | 100.26 mph (161.35 km/h) |
| 100 mph (160.93 km/h) | 105.53 mph (169.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2136 | 2482 | 2673 | 2791 | 2918 | 3009 | 3109 | 3227 | 3391 | 3555 | 3736 | 3882 | 4146 | 4436 | 4664 | 4809 | 4891 | 5191 | 5609 | 6518 |
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