Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/75-17 | 305/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.6 (904.3) | 35.01 (889.3) | -0.59 (-15) -1.7% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 111.85 (2840.94) | 109.99 (2793.82) | -1.86 (-47.12) -1.7% |
| Sidewall Height inches (mm) | 9.3 (236.25) | 9.01 (228.75) | -0.3 (-7.5) -3.2% |
| Revolutions per mile (km) | 566.48 (352) | 576.04 (357.93) | 9.55 (5.94) 1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.67 mph (31.65 km/h) |
| 25 mph (40.23 km/h) | 24.59 mph (39.57 km/h) |
| 30 mph (48.28 km/h) | 29.5 mph (47.48 km/h) |
| 35 mph (56.33 km/h) | 34.42 mph (55.39 km/h) |
| 40 mph (64.37 km/h) | 39.34 mph (63.31 km/h) |
| 45 mph (72.42 km/h) | 44.25 mph (71.22 km/h) |
| 50 mph (80.47 km/h) | 49.17 mph (79.13 km/h) |
| 55 mph (88.51 km/h) | 54.09 mph (87.05 km/h) |
| 60 mph (96.56 km/h) | 59 mph (94.96 km/h) |
| 65 mph (104.61 km/h) | 63.92 mph (102.87 km/h) |
| 70 mph (112.65 km/h) | 68.84 mph (110.79 km/h) |
| 75 mph (120.7 km/h) | 73.76 mph (118.7 km/h) |
| 80 mph (128.75 km/h) | 78.67 mph (126.61 km/h) |
| 85 mph (136.79 km/h) | 83.59 mph (134.53 km/h) |
| 90 mph (144.84 km/h) | 88.51 mph (142.44 km/h) |
| 95 mph (152.89 km/h) | 93.42 mph (150.35 km/h) |
| 100 mph (160.93 km/h) | 98.34 mph (158.27 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 | 2664 | 2844 | 3044 | 3200 | 3300 | 3356 | 3562 | 3849 | 4473 |
Better Fuel Economy Factory Ratios Increased Power
