Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-15 | 335/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.47 (901) | 36.78 (934.3) | 1.31 (33.3) 3.7% |
| Width inches (mm) | 12.8 (325) | 13.19 (335) | 0.39 (10) 3.1% |
| Circum. inches (mm) | 111.44 (2830.57) | 115.56 (2935.19) | 4.12 (104.62) 3.7% |
| Sidewall Height inches (mm) | 10.24 (260) | 9.89 (251.25) | -0.34 (-8.75) -3.4% |
| Revolutions per mile (km) | 568.56 (353.28) | 548.29 (340.69) | -20.26 (-12.59) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.74 mph (33.38 km/h) |
| 25 mph (40.23 km/h) | 25.92 mph (41.72 km/h) |
| 30 mph (48.28 km/h) | 31.11 mph (50.06 km/h) |
| 35 mph (56.33 km/h) | 36.29 mph (58.41 km/h) |
| 40 mph (64.37 km/h) | 41.48 mph (66.75 km/h) |
| 45 mph (72.42 km/h) | 46.66 mph (75.1 km/h) |
| 50 mph (80.47 km/h) | 51.85 mph (83.44 km/h) |
| 55 mph (88.51 km/h) | 57.03 mph (91.79 km/h) |
| 60 mph (96.56 km/h) | 62.22 mph (100.13 km/h) |
| 65 mph (104.61 km/h) | 67.4 mph (108.47 km/h) |
| 70 mph (112.65 km/h) | 72.59 mph (116.82 km/h) |
| 75 mph (120.7 km/h) | 77.77 mph (125.16 km/h) |
| 80 mph (128.75 km/h) | 82.96 mph (133.51 km/h) |
| 85 mph (136.79 km/h) | 88.14 mph (141.85 km/h) |
| 90 mph (144.84 km/h) | 93.33 mph (150.19 km/h) |
| 95 mph (152.89 km/h) | 98.51 mph (158.54 km/h) |
| 100 mph (160.93 km/h) | 103.7 mph (166.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1395 | 1621 | 1746 | 1823 | 1906 | 1965 | 2031 | 2108 | 2215 | 2322 | 2440 | 2535 | 2707 | 2897 | 3046 | 3141 | 3194 | 3390 | 3663 | 4257 |
Better Fuel Economy Factory Ratios Increased Power
