Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-15 | 35/10.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.47 (901) | 35.03 (889.74) | -0.44 (-11.26) -1.2% |
| Width inches (mm) | 12.8 (325) | 10.51 (267) | -2.28 (-58) -17.8% |
| Circum. inches (mm) | 111.44 (2830.57) | 110.05 (2795.2) | -1.39 (-35.37) -1.2% |
| Sidewall Height inches (mm) | 10.24 (260) | 8.51 (216.27) | -1.72 (-43.73) -16.8% |
| Revolutions per mile (km) | 568.56 (353.28) | 575.75 (357.76) | 7.2 (4.47) 1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.75 mph (31.78 km/h) |
| 25 mph (40.23 km/h) | 24.69 mph (39.73 km/h) |
| 30 mph (48.28 km/h) | 29.63 mph (47.68 km/h) |
| 35 mph (56.33 km/h) | 34.56 mph (55.62 km/h) |
| 40 mph (64.37 km/h) | 39.5 mph (63.57 km/h) |
| 45 mph (72.42 km/h) | 44.44 mph (71.52 km/h) |
| 50 mph (80.47 km/h) | 49.38 mph (79.46 km/h) |
| 55 mph (88.51 km/h) | 54.31 mph (87.41 km/h) |
| 60 mph (96.56 km/h) | 59.25 mph (95.35 km/h) |
| 65 mph (104.61 km/h) | 64.19 mph (103.3 km/h) |
| 70 mph (112.65 km/h) | 69.13 mph (111.25 km/h) |
| 75 mph (120.7 km/h) | 74.06 mph (119.19 km/h) |
| 80 mph (128.75 km/h) | 79 mph (127.14 km/h) |
| 85 mph (136.79 km/h) | 83.94 mph (135.08 km/h) |
| 90 mph (144.84 km/h) | 88.88 mph (143.03 km/h) |
| 95 mph (152.89 km/h) | 93.81 mph (150.98 km/h) |
| 100 mph (160.93 km/h) | 98.75 mph (158.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2001 | 2064 | 2132 | 2213 | 2326 | 2438 | 2563 | 2662 | 2843 | 3043 | 3198 | 3298 | 3354 | 3560 | 3847 | 4470 |
Better Fuel Economy Factory Ratios Increased Power
