Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/45-17 | 345/35-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.52 (724.3) | 26.51 (673.3) | -2.01 (-51) -7% |
| Width inches (mm) | 12.8 (325) | 13.58 (345) | 0.79 (20) 6.2% |
| Circum. inches (mm) | 89.58 (2275.46) | 83.28 (2115.23) | -6.31 (-160.22) -7% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 4.75 (120.75) | -1 (-25.5) -17.4% |
| Revolutions per mile (km) | 707.26 (439.47) | 760.83 (472.76) | 53.57 (33.29) 7.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.59 mph (29.92 km/h) |
| 25 mph (40.23 km/h) | 23.24 mph (37.4 km/h) |
| 30 mph (48.28 km/h) | 27.89 mph (44.88 km/h) |
| 35 mph (56.33 km/h) | 32.54 mph (52.36 km/h) |
| 40 mph (64.37 km/h) | 37.18 mph (59.84 km/h) |
| 45 mph (72.42 km/h) | 41.83 mph (67.32 km/h) |
| 50 mph (80.47 km/h) | 46.48 mph (74.8 km/h) |
| 55 mph (88.51 km/h) | 51.13 mph (82.28 km/h) |
| 60 mph (96.56 km/h) | 55.78 mph (89.76 km/h) |
| 65 mph (104.61 km/h) | 60.42 mph (97.24 km/h) |
| 70 mph (112.65 km/h) | 65.07 mph (104.72 km/h) |
| 75 mph (120.7 km/h) | 69.72 mph (112.2 km/h) |
| 80 mph (128.75 km/h) | 74.37 mph (119.68 km/h) |
| 85 mph (136.79 km/h) | 79.01 mph (127.16 km/h) |
| 90 mph (144.84 km/h) | 83.66 mph (134.64 km/h) |
| 95 mph (152.89 km/h) | 88.31 mph (142.12 km/h) |
| 100 mph (160.93 km/h) | 92.96 mph (149.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1936 | 2249 | 2422 | 2529 | 2645 | 2727 | 2818 | 2925 | 3073 | 3221 | 3386 | 3518 | 3757 | 4021 | 4227 | 4358 | 4433 | 4705 | 5084 | 5907 |
Better Fuel Economy Factory Ratios Increased Power
