Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/45-17 | 305/35-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.52 (724.3) | 25.41 (645.3) | -3.11 (-79) -10.9% |
| Width inches (mm) | 12.8 (325) | 12.01 (305) | -0.79 (-20) -6.2% |
| Circum. inches (mm) | 89.58 (2275.46) | 79.81 (2027.27) | -9.77 (-248.19) -10.9% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 4.2 (106.75) | -1.56 (-39.5) -27% |
| Revolutions per mile (km) | 707.26 (439.47) | 793.85 (493.27) | 86.59 (53.8) 12.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.82 mph (28.68 km/h) |
| 25 mph (40.23 km/h) | 22.27 mph (35.85 km/h) |
| 30 mph (48.28 km/h) | 26.73 mph (43.01 km/h) |
| 35 mph (56.33 km/h) | 31.18 mph (50.18 km/h) |
| 40 mph (64.37 km/h) | 35.64 mph (57.35 km/h) |
| 45 mph (72.42 km/h) | 40.09 mph (64.52 km/h) |
| 50 mph (80.47 km/h) | 44.55 mph (71.69 km/h) |
| 55 mph (88.51 km/h) | 49 mph (78.86 km/h) |
| 60 mph (96.56 km/h) | 53.46 mph (86.03 km/h) |
| 65 mph (104.61 km/h) | 57.91 mph (93.2 km/h) |
| 70 mph (112.65 km/h) | 62.37 mph (100.37 km/h) |
| 75 mph (120.7 km/h) | 66.82 mph (107.54 km/h) |
| 80 mph (128.75 km/h) | 71.27 mph (114.71 km/h) |
| 85 mph (136.79 km/h) | 75.73 mph (121.87 km/h) |
| 90 mph (144.84 km/h) | 80.18 mph (129.04 km/h) |
| 95 mph (152.89 km/h) | 84.64 mph (136.21 km/h) |
| 100 mph (160.93 km/h) | 89.09 mph (143.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 2347 | 2527 | 2639 | 2759 | 2845 | 2940 | 3052 | 3207 | 3361 | 3533 | 3671 | 3920 | 4195 | 4410 | 4548 | 4625 | 4909 | 5304 | 6164 |
Better Fuel Economy Factory Ratios Increased Power
