Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 35/12.5-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 35.01 (889.36) | -2.43 (-61.64) -6.5% |
| Width inches (mm) | 12.4 (315) | 12.52 (318) | 0.12 (3) 1% |
| Circum. inches (mm) | 117.62 (2987.65) | 110 (2794.01) | -7.62 (-193.65) -6.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.51 (114.48) | 0.79 (19.98) 21.1% |
| Revolutions per mile (km) | 538.66 (334.71) | 576 (357.91) | 37.33 (23.2) 6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.7 mph (30.1 km/h) |
| 25 mph (40.23 km/h) | 23.38 mph (37.63 km/h) |
| 30 mph (48.28 km/h) | 28.06 mph (45.15 km/h) |
| 35 mph (56.33 km/h) | 32.73 mph (52.68 km/h) |
| 40 mph (64.37 km/h) | 37.41 mph (60.2 km/h) |
| 45 mph (72.42 km/h) | 42.08 mph (67.73 km/h) |
| 50 mph (80.47 km/h) | 46.76 mph (75.25 km/h) |
| 55 mph (88.51 km/h) | 51.44 mph (82.78 km/h) |
| 60 mph (96.56 km/h) | 56.11 mph (90.3 km/h) |
| 65 mph (104.61 km/h) | 60.79 mph (97.83 km/h) |
| 70 mph (112.65 km/h) | 65.46 mph (105.35 km/h) |
| 75 mph (120.7 km/h) | 70.14 mph (112.88 km/h) |
| 80 mph (128.75 km/h) | 74.81 mph (120.4 km/h) |
| 85 mph (136.79 km/h) | 79.49 mph (127.93 km/h) |
| 90 mph (144.84 km/h) | 84.17 mph (135.45 km/h) |
| 95 mph (152.89 km/h) | 88.84 mph (142.98 km/h) |
| 100 mph (160.93 km/h) | 93.52 mph (150.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1466 | 1703 | 1834 | 1915 | 2002 | 2065 | 2133 | 2214 | 2327 | 2439 | 2564 | 2663 | 2844 | 3044 | 3200 | 3300 | 3356 | 3562 | 3849 | 4472 |
Better Fuel Economy Factory Ratios Increased Power
