Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-16 | 315/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.71 (703.9) | 34.6 (878.9) | 6.89 (175) 24.9% |
| Width inches (mm) | 6.89 (175) | 12.4 (315) | 5.51 (140) 80% |
| Circum. inches (mm) | 87.06 (2211.37) | 108.71 (2761.15) | 21.64 (549.78) 24.9% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 9.3 (236.25) | 3.44 (87.5) 58.8% |
| Revolutions per mile (km) | 727.76 (452.21) | 582.85 (362.17) | -144.91 (-90.04) -19.9% |
315/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.97 mph (40.19 km/h) |
| 25 mph (40.23 km/h) | 31.22 mph (50.24 km/h) |
| 30 mph (48.28 km/h) | 37.46 mph (60.28 km/h) |
| 35 mph (56.33 km/h) | 43.7 mph (70.33 km/h) |
| 40 mph (64.37 km/h) | 49.94 mph (80.38 km/h) |
| 45 mph (72.42 km/h) | 56.19 mph (90.43 km/h) |
| 50 mph (80.47 km/h) | 62.43 mph (100.47 km/h) |
| 55 mph (88.51 km/h) | 68.67 mph (110.52 km/h) |
| 60 mph (96.56 km/h) | 74.92 mph (120.57 km/h) |
| 65 mph (104.61 km/h) | 81.16 mph (130.61 km/h) |
| 70 mph (112.65 km/h) | 87.4 mph (140.66 km/h) |
| 75 mph (120.7 km/h) | 93.65 mph (150.71 km/h) |
| 80 mph (128.75 km/h) | 99.89 mph (160.76 km/h) |
| 85 mph (136.79 km/h) | 106.13 mph (170.8 km/h) |
| 90 mph (144.84 km/h) | 112.38 mph (180.85 km/h) |
| 95 mph (152.89 km/h) | 118.62 mph (190.9 km/h) |
| 100 mph (160.93 km/h) | 124.86 mph (200.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1483 | 1723 | 1856 | 1938 | 2026 | 2089 | 2159 | 2241 | 2354 | 2468 | 2594 | 2695 | 2878 | 3080 | 3238 | 3339 | 3396 | 3604 | 3894 | 4525 |
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