Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 37/14.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 36.86 (936.32) | 9.7 (246.42) 35.7% |
| Width inches (mm) | 12.4 (315) | 14.49 (368) | 2.09 (53) 16.8% |
| Circum. inches (mm) | 85.33 (2167.38) | 115.81 (2941.54) | 30.48 (774.15) 35.7% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 10.43 (264.96) | 4.85 (123.21) 86.9% |
| Revolutions per mile (km) | 742.53 (461.38) | 547.11 (339.96) | -195.42 (-121.43) -26.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.14 mph (43.68 km/h) |
| 25 mph (40.23 km/h) | 33.93 mph (54.6 km/h) |
| 30 mph (48.28 km/h) | 40.72 mph (65.53 km/h) |
| 35 mph (56.33 km/h) | 47.5 mph (76.45 km/h) |
| 40 mph (64.37 km/h) | 54.29 mph (87.37 km/h) |
| 45 mph (72.42 km/h) | 61.07 mph (98.29 km/h) |
| 50 mph (80.47 km/h) | 67.86 mph (109.21 km/h) |
| 55 mph (88.51 km/h) | 74.65 mph (120.13 km/h) |
| 60 mph (96.56 km/h) | 81.43 mph (131.05 km/h) |
| 65 mph (104.61 km/h) | 88.22 mph (141.97 km/h) |
| 70 mph (112.65 km/h) | 95 mph (152.89 km/h) |
| 75 mph (120.7 km/h) | 101.79 mph (163.81 km/h) |
| 80 mph (128.75 km/h) | 108.57 mph (174.73 km/h) |
| 85 mph (136.79 km/h) | 115.36 mph (185.66 km/h) |
| 90 mph (144.84 km/h) | 122.15 mph (196.58 km/h) |
| 95 mph (152.89 km/h) | 128.93 mph (207.5 km/h) |
| 100 mph (160.93 km/h) | 135.72 mph (218.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1392 | 1617 | 1742 | 1819 | 1902 | 1961 | 2026 | 2103 | 2210 | 2317 | 2435 | 2530 | 2702 | 2891 | 3039 | 3134 | 3187 | 3383 | 3656 | 4248 |
Better Fuel Economy Factory Ratios Increased Power
