Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/75-17 | 315/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.01 (889.3) | 35.6 (904.3) | 0.59 (15) 1.7% |
| Width inches (mm) | 12.01 (305) | 12.4 (315) | 0.39 (10) 3.3% |
| Circum. inches (mm) | 109.99 (2793.82) | 111.85 (2840.94) | 1.86 (47.12) 1.7% |
| Sidewall Height inches (mm) | 9.01 (228.75) | 9.3 (236.25) | 0.3 (7.5) 3.3% |
| Revolutions per mile (km) | 576.04 (357.93) | 566.48 (352) | -9.55 (-5.94) -1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.73 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.91 km/h) |
| 30 mph (48.28 km/h) | 30.51 mph (49.09 km/h) |
| 35 mph (56.33 km/h) | 35.59 mph (57.28 km/h) |
| 40 mph (64.37 km/h) | 40.67 mph (65.46 km/h) |
| 45 mph (72.42 km/h) | 45.76 mph (73.64 km/h) |
| 50 mph (80.47 km/h) | 50.84 mph (81.82 km/h) |
| 55 mph (88.51 km/h) | 55.93 mph (90.01 km/h) |
| 60 mph (96.56 km/h) | 61.01 mph (98.19 km/h) |
| 65 mph (104.61 km/h) | 66.1 mph (106.37 km/h) |
| 70 mph (112.65 km/h) | 71.18 mph (114.55 km/h) |
| 75 mph (120.7 km/h) | 76.27 mph (122.74 km/h) |
| 80 mph (128.75 km/h) | 81.35 mph (130.92 km/h) |
| 85 mph (136.79 km/h) | 86.43 mph (139.1 km/h) |
| 90 mph (144.84 km/h) | 91.52 mph (147.28 km/h) |
| 95 mph (152.89 km/h) | 96.6 mph (155.47 km/h) |
| 100 mph (160.93 km/h) | 101.69 mph (163.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1442 | 1675 | 1804 | 1883 | 1969 | 2030 | 2098 | 2178 | 2288 | 2399 | 2521 | 2619 | 2797 | 2994 | 3147 | 3245 | 3300 | 3503 | 3785 | 4398 |
Better Fuel Economy Factory Ratios Increased Power
