Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 265/35-30 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 37.3 (947.5) | -0.14 (-3.5) -0.4% |
| Width inches (mm) | 12.4 (315) | 10.43 (265) | -1.97 (-50) -15.9% |
| Circum. inches (mm) | 117.62 (2987.65) | 117.19 (2976.66) | -0.43 (-11) -0.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.65 (92.75) | -0.07 (-1.75) -1.9% |
| Revolutions per mile (km) | 538.66 (334.71) | 540.65 (335.95) | 1.99 (1.24) 0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.93 mph (32.07 km/h) |
| 25 mph (40.23 km/h) | 24.91 mph (40.09 km/h) |
| 30 mph (48.28 km/h) | 29.89 mph (48.1 km/h) |
| 35 mph (56.33 km/h) | 34.87 mph (56.12 km/h) |
| 40 mph (64.37 km/h) | 39.85 mph (64.14 km/h) |
| 45 mph (72.42 km/h) | 44.83 mph (72.15 km/h) |
| 50 mph (80.47 km/h) | 49.82 mph (80.17 km/h) |
| 55 mph (88.51 km/h) | 54.8 mph (88.19 km/h) |
| 60 mph (96.56 km/h) | 59.78 mph (96.21 km/h) |
| 65 mph (104.61 km/h) | 64.76 mph (104.22 km/h) |
| 70 mph (112.65 km/h) | 69.74 mph (112.24 km/h) |
| 75 mph (120.7 km/h) | 74.72 mph (120.26 km/h) |
| 80 mph (128.75 km/h) | 79.71 mph (128.27 km/h) |
| 85 mph (136.79 km/h) | 84.69 mph (136.29 km/h) |
| 90 mph (144.84 km/h) | 89.67 mph (144.31 km/h) |
| 95 mph (152.89 km/h) | 94.65 mph (152.33 km/h) |
| 100 mph (160.93 km/h) | 99.63 mph (160.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1376 | 1598 | 1721 | 1797 | 1879 | 1938 | 2002 | 2078 | 2184 | 2289 | 2406 | 2500 | 2670 | 2857 | 3003 | 3097 | 3150 | 3343 | 3612 | 4198 |
Better Fuel Economy Factory Ratios Increased Power
