Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 355/30-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 32.39 (822.6) | -5.06 (-128.4) -13.5% |
| Width inches (mm) | 12.4 (315) | 13.98 (355) | 1.57 (40) 12.7% |
| Circum. inches (mm) | 117.62 (2987.65) | 101.74 (2584.27) | -15.88 (-403.38) -13.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.19 (106.5) | 0.47 (12) 12.7% |
| Revolutions per mile (km) | 538.66 (334.71) | 622.75 (386.96) | 84.08 (52.25) 15.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.3 mph (27.84 km/h) |
| 25 mph (40.23 km/h) | 21.62 mph (34.8 km/h) |
| 30 mph (48.28 km/h) | 25.95 mph (41.76 km/h) |
| 35 mph (56.33 km/h) | 30.27 mph (48.72 km/h) |
| 40 mph (64.37 km/h) | 34.6 mph (55.68 km/h) |
| 45 mph (72.42 km/h) | 38.92 mph (62.64 km/h) |
| 50 mph (80.47 km/h) | 43.25 mph (69.6 km/h) |
| 55 mph (88.51 km/h) | 47.57 mph (76.56 km/h) |
| 60 mph (96.56 km/h) | 51.9 mph (83.52 km/h) |
| 65 mph (104.61 km/h) | 56.22 mph (90.48 km/h) |
| 70 mph (112.65 km/h) | 60.55 mph (97.44 km/h) |
| 75 mph (120.7 km/h) | 64.87 mph (104.4 km/h) |
| 80 mph (128.75 km/h) | 69.2 mph (111.36 km/h) |
| 85 mph (136.79 km/h) | 73.52 mph (118.33 km/h) |
| 90 mph (144.84 km/h) | 77.85 mph (125.29 km/h) |
| 95 mph (152.89 km/h) | 82.17 mph (132.25 km/h) |
| 100 mph (160.93 km/h) | 86.5 mph (139.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1585 | 1841 | 1983 | 2070 | 2165 | 2232 | 2306 | 2394 | 2515 | 2637 | 2772 | 2880 | 3075 | 3291 | 3460 | 3567 | 3628 | 3851 | 4161 | 4835 |
Better Fuel Economy Factory Ratios Increased Power
