Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/45-17 | 28/10.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.52 (724.3) | 27.93 (709.48) | -0.58 (-14.82) -2% |
| Width inches (mm) | 12.8 (325) | 10.51 (267) | -2.28 (-58) -17.8% |
| Circum. inches (mm) | 89.58 (2275.46) | 87.75 (2228.9) | -1.83 (-46.56) -2% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 5.47 (138.84) | -0.29 (-7.41) -5.1% |
| Revolutions per mile (km) | 707.26 (439.47) | 722.04 (448.65) | 14.77 (9.18) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.53 km/h) |
| 25 mph (40.23 km/h) | 24.49 mph (39.41 km/h) |
| 30 mph (48.28 km/h) | 29.39 mph (47.29 km/h) |
| 35 mph (56.33 km/h) | 34.28 mph (55.17 km/h) |
| 40 mph (64.37 km/h) | 39.18 mph (63.06 km/h) |
| 45 mph (72.42 km/h) | 44.08 mph (70.94 km/h) |
| 50 mph (80.47 km/h) | 48.98 mph (78.82 km/h) |
| 55 mph (88.51 km/h) | 53.87 mph (86.7 km/h) |
| 60 mph (96.56 km/h) | 58.77 mph (94.59 km/h) |
| 65 mph (104.61 km/h) | 63.67 mph (102.47 km/h) |
| 70 mph (112.65 km/h) | 68.57 mph (110.35 km/h) |
| 75 mph (120.7 km/h) | 73.47 mph (118.23 km/h) |
| 80 mph (128.75 km/h) | 78.36 mph (126.11 km/h) |
| 85 mph (136.79 km/h) | 83.26 mph (134 km/h) |
| 90 mph (144.84 km/h) | 88.16 mph (141.88 km/h) |
| 95 mph (152.89 km/h) | 93.06 mph (149.76 km/h) |
| 100 mph (160.93 km/h) | 97.95 mph (157.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1837 | 2135 | 2299 | 2400 | 2510 | 2588 | 2674 | 2776 | 2916 | 3057 | 3214 | 3339 | 3565 | 3816 | 4011 | 4136 | 4207 | 4465 | 4824 | 5606 |
Better Fuel Economy Factory Ratios Increased Power
