Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/80-16 | 37/10.5-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.84 (910.4) | 37.1 (942.42) | 1.26 (32.02) 3.5% |
| Width inches (mm) | 12.4 (315) | 10.51 (267) | -1.89 (-48) -15.2% |
| Circum. inches (mm) | 112.6 (2860.11) | 116.56 (2960.7) | 3.96 (100.59) 3.5% |
| Sidewall Height inches (mm) | 9.92 (252) | 10.3 (261.66) | 0.38 (9.66) 3.8% |
| Revolutions per mile (km) | 562.69 (349.64) | 543.57 (337.76) | -19.12 (-11.88) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.32 km/h) |
| 25 mph (40.23 km/h) | 25.88 mph (41.65 km/h) |
| 30 mph (48.28 km/h) | 31.06 mph (49.98 km/h) |
| 35 mph (56.33 km/h) | 36.23 mph (58.31 km/h) |
| 40 mph (64.37 km/h) | 41.41 mph (66.64 km/h) |
| 45 mph (72.42 km/h) | 46.58 mph (74.97 km/h) |
| 50 mph (80.47 km/h) | 51.76 mph (83.3 km/h) |
| 55 mph (88.51 km/h) | 56.93 mph (91.63 km/h) |
| 60 mph (96.56 km/h) | 62.11 mph (99.96 km/h) |
| 65 mph (104.61 km/h) | 67.29 mph (108.29 km/h) |
| 70 mph (112.65 km/h) | 72.46 mph (116.62 km/h) |
| 75 mph (120.7 km/h) | 77.64 mph (124.95 km/h) |
| 80 mph (128.75 km/h) | 82.81 mph (133.28 km/h) |
| 85 mph (136.79 km/h) | 87.99 mph (141.61 km/h) |
| 90 mph (144.84 km/h) | 93.17 mph (149.94 km/h) |
| 95 mph (152.89 km/h) | 98.34 mph (158.27 km/h) |
| 100 mph (160.93 km/h) | 103.52 mph (166.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1383 | 1607 | 1731 | 1807 | 1889 | 1948 | 2013 | 2090 | 2196 | 2302 | 2419 | 2513 | 2684 | 2873 | 3020 | 3114 | 3167 | 3361 | 3632 | 4220 |
Better Fuel Economy Factory Ratios Increased Power
