Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-20 | 325/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.91 (709) | 28.96 (735.5) | 1.04 (26.5) 3.7% |
| Width inches (mm) | 13.19 (335) | 12.8 (325) | -0.39 (-10) -3% |
| Circum. inches (mm) | 87.69 (2227.39) | 90.97 (2310.64) | 3.28 (83.25) 3.7% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.48 (113.75) | 0.52 (13.25) 13.2% |
| Revolutions per mile (km) | 722.52 (448.96) | 696.49 (432.78) | -26.03 (-16.18) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.75 mph (33.39 km/h) |
| 25 mph (40.23 km/h) | 25.93 mph (41.74 km/h) |
| 30 mph (48.28 km/h) | 31.12 mph (50.08 km/h) |
| 35 mph (56.33 km/h) | 36.31 mph (58.43 km/h) |
| 40 mph (64.37 km/h) | 41.5 mph (66.78 km/h) |
| 45 mph (72.42 km/h) | 46.68 mph (75.13 km/h) |
| 50 mph (80.47 km/h) | 51.87 mph (83.47 km/h) |
| 55 mph (88.51 km/h) | 57.06 mph (91.82 km/h) |
| 60 mph (96.56 km/h) | 62.24 mph (100.17 km/h) |
| 65 mph (104.61 km/h) | 67.43 mph (108.52 km/h) |
| 70 mph (112.65 km/h) | 72.62 mph (116.86 km/h) |
| 75 mph (120.7 km/h) | 77.8 mph (125.21 km/h) |
| 80 mph (128.75 km/h) | 82.99 mph (133.56 km/h) |
| 85 mph (136.79 km/h) | 88.18 mph (141.91 km/h) |
| 90 mph (144.84 km/h) | 93.36 mph (150.25 km/h) |
| 95 mph (152.89 km/h) | 98.55 mph (158.6 km/h) |
| 100 mph (160.93 km/h) | 103.74 mph (166.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1772 | 2059 | 2217 | 2315 | 2421 | 2497 | 2579 | 2678 | 2813 | 2949 | 3100 | 3221 | 3439 | 3681 | 3869 | 3990 | 4058 | 4307 | 4654 | 5408 |
Better Fuel Economy Factory Ratios Increased Power
