Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-17 | 225/25-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.92 (683.8) | 21.43 (544.3) | -5.49 (-139.5) -20.4% |
| Width inches (mm) | 12.4 (315) | 8.86 (225) | -3.54 (-90) -28.6% |
| Circum. inches (mm) | 84.58 (2148.22) | 67.32 (1709.97) | -17.25 (-438.25) -20.4% |
| Sidewall Height inches (mm) | 4.96 (126) | 2.21 (56.25) | -2.75 (-69.75) -55.4% |
| Revolutions per mile (km) | 749.15 (465.5) | 941.15 (584.8) | 192 (119.3) 25.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.92 mph (25.62 km/h) |
| 25 mph (40.23 km/h) | 19.9 mph (32.03 km/h) |
| 30 mph (48.28 km/h) | 23.88 mph (38.43 km/h) |
| 35 mph (56.33 km/h) | 27.86 mph (44.84 km/h) |
| 40 mph (64.37 km/h) | 31.84 mph (51.24 km/h) |
| 45 mph (72.42 km/h) | 35.82 mph (57.65 km/h) |
| 50 mph (80.47 km/h) | 39.8 mph (64.05 km/h) |
| 55 mph (88.51 km/h) | 43.78 mph (70.46 km/h) |
| 60 mph (96.56 km/h) | 47.76 mph (76.86 km/h) |
| 65 mph (104.61 km/h) | 51.74 mph (83.27 km/h) |
| 70 mph (112.65 km/h) | 55.72 mph (89.67 km/h) |
| 75 mph (120.7 km/h) | 59.7 mph (96.08 km/h) |
| 80 mph (128.75 km/h) | 63.68 mph (102.48 km/h) |
| 85 mph (136.79 km/h) | 67.66 mph (108.89 km/h) |
| 90 mph (144.84 km/h) | 71.64 mph (115.29 km/h) |
| 95 mph (152.89 km/h) | 75.62 mph (121.7 km/h) |
| 100 mph (160.93 km/h) | 79.6 mph (128.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
