Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 295/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 33.26 (844.8) | -4.18 (-106.2) -11.2% |
| Width inches (mm) | 12.4 (315) | 11.61 (295) | -0.79 (-20) -6.3% |
| Circum. inches (mm) | 117.62 (2987.65) | 104.49 (2654.02) | -13.14 (-333.64) -11.2% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 8.13 (206.5) | 4.41 (112) 118.5% |
| Revolutions per mile (km) | 538.66 (334.71) | 606.38 (376.79) | 67.72 (42.08) 12.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.77 mph (28.59 km/h) |
| 25 mph (40.23 km/h) | 22.21 mph (35.74 km/h) |
| 30 mph (48.28 km/h) | 26.65 mph (42.89 km/h) |
| 35 mph (56.33 km/h) | 31.09 mph (50.04 km/h) |
| 40 mph (64.37 km/h) | 35.53 mph (57.19 km/h) |
| 45 mph (72.42 km/h) | 39.97 mph (64.33 km/h) |
| 50 mph (80.47 km/h) | 44.42 mph (71.48 km/h) |
| 55 mph (88.51 km/h) | 48.86 mph (78.63 km/h) |
| 60 mph (96.56 km/h) | 53.3 mph (85.78 km/h) |
| 65 mph (104.61 km/h) | 57.74 mph (92.93 km/h) |
| 70 mph (112.65 km/h) | 62.18 mph (100.07 km/h) |
| 75 mph (120.7 km/h) | 66.62 mph (107.22 km/h) |
| 80 mph (128.75 km/h) | 71.07 mph (114.37 km/h) |
| 85 mph (136.79 km/h) | 75.51 mph (121.52 km/h) |
| 90 mph (144.84 km/h) | 79.95 mph (128.67 km/h) |
| 95 mph (152.89 km/h) | 84.39 mph (135.81 km/h) |
| 100 mph (160.93 km/h) | 88.83 mph (142.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1543 | 1793 | 1931 | 2016 | 2108 | 2174 | 2246 | 2331 | 2449 | 2567 | 2699 | 2804 | 2994 | 3204 | 3369 | 3474 | 3533 | 3749 | 4052 | 4708 |
Better Fuel Economy Factory Ratios Increased Power
