Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 315/50-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 36.4 (924.6) | -1.04 (-26.4) -2.8% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 117.62 (2987.65) | 114.36 (2904.72) | -3.27 (-82.94) -2.8% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 6.2 (157.5) | 2.48 (63) 66.7% |
| Revolutions per mile (km) | 538.66 (334.71) | 554.05 (344.27) | 15.38 (9.56) 2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.44 mph (31.29 km/h) |
| 25 mph (40.23 km/h) | 24.31 mph (39.12 km/h) |
| 30 mph (48.28 km/h) | 29.17 mph (46.94 km/h) |
| 35 mph (56.33 km/h) | 34.03 mph (54.76 km/h) |
| 40 mph (64.37 km/h) | 38.89 mph (62.59 km/h) |
| 45 mph (72.42 km/h) | 43.75 mph (70.41 km/h) |
| 50 mph (80.47 km/h) | 48.61 mph (78.23 km/h) |
| 55 mph (88.51 km/h) | 53.47 mph (86.06 km/h) |
| 60 mph (96.56 km/h) | 58.33 mph (93.88 km/h) |
| 65 mph (104.61 km/h) | 63.2 mph (101.7 km/h) |
| 70 mph (112.65 km/h) | 68.06 mph (109.53 km/h) |
| 75 mph (120.7 km/h) | 72.92 mph (117.35 km/h) |
| 80 mph (128.75 km/h) | 77.78 mph (125.17 km/h) |
| 85 mph (136.79 km/h) | 82.64 mph (133 km/h) |
| 90 mph (144.84 km/h) | 87.5 mph (140.82 km/h) |
| 95 mph (152.89 km/h) | 92.36 mph (148.64 km/h) |
| 100 mph (160.93 km/h) | 97.22 mph (156.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1410 | 1638 | 1764 | 1842 | 1926 | 1986 | 2052 | 2130 | 2238 | 2346 | 2466 | 2562 | 2736 | 2928 | 3078 | 3174 | 3228 | 3426 | 3702 | 4302 |
Better Fuel Economy Factory Ratios Increased Power
