Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 315/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 33.92 (861.6) | 4.72 (119.9) 16.2% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 91.74 (2330.12) | 106.57 (2706.8) | 14.83 (376.68) 16.2% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 4.96 (126) | 1.86 (47.25) 60% |
| Revolutions per mile (km) | 690.67 (429.16) | 594.56 (369.44) | -96.11 (-59.72) -13.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.23 mph (37.39 km/h) |
| 25 mph (40.23 km/h) | 29.04 mph (46.74 km/h) |
| 30 mph (48.28 km/h) | 34.85 mph (56.09 km/h) |
| 35 mph (56.33 km/h) | 40.66 mph (65.43 km/h) |
| 40 mph (64.37 km/h) | 46.47 mph (74.78 km/h) |
| 45 mph (72.42 km/h) | 52.27 mph (84.13 km/h) |
| 50 mph (80.47 km/h) | 58.08 mph (93.48 km/h) |
| 55 mph (88.51 km/h) | 63.89 mph (102.82 km/h) |
| 60 mph (96.56 km/h) | 69.7 mph (112.17 km/h) |
| 65 mph (104.61 km/h) | 75.51 mph (121.52 km/h) |
| 70 mph (112.65 km/h) | 81.32 mph (130.87 km/h) |
| 75 mph (120.7 km/h) | 87.12 mph (140.21 km/h) |
| 80 mph (128.75 km/h) | 92.93 mph (149.56 km/h) |
| 85 mph (136.79 km/h) | 98.74 mph (158.91 km/h) |
| 90 mph (144.84 km/h) | 104.55 mph (168.26 km/h) |
| 95 mph (152.89 km/h) | 110.36 mph (177.6 km/h) |
| 100 mph (160.93 km/h) | 116.17 mph (186.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1513 | 1758 | 1893 | 1977 | 2067 | 2131 | 2202 | 2286 | 2402 | 2517 | 2646 | 2749 | 2936 | 3142 | 3303 | 3406 | 3464 | 3676 | 3973 | 4616 |
Better Fuel Economy Factory Ratios Increased Power
