Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/25-20 | 330/30-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.59 (675.5) | 27.8 (706) | 1.2 (30.5) 4.5% |
| Width inches (mm) | 13.19 (335) | 12.99 (330) | -0.2 (-5) -1.5% |
| Circum. inches (mm) | 83.55 (2122.15) | 87.32 (2217.96) | 3.77 (95.82) 4.5% |
| Sidewall Height inches (mm) | 3.3 (83.75) | 3.9 (99) | 0.6 (15.25) 18.2% |
| Revolutions per mile (km) | 758.36 (471.22) | 725.6 (450.86) | -32.76 (-20.36) -4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.9 mph (33.64 km/h) |
| 25 mph (40.23 km/h) | 26.13 mph (42.05 km/h) |
| 30 mph (48.28 km/h) | 31.35 mph (50.46 km/h) |
| 35 mph (56.33 km/h) | 36.58 mph (58.87 km/h) |
| 40 mph (64.37 km/h) | 41.81 mph (67.28 km/h) |
| 45 mph (72.42 km/h) | 47.03 mph (75.69 km/h) |
| 50 mph (80.47 km/h) | 52.26 mph (84.1 km/h) |
| 55 mph (88.51 km/h) | 57.48 mph (92.51 km/h) |
| 60 mph (96.56 km/h) | 62.71 mph (100.92 km/h) |
| 65 mph (104.61 km/h) | 67.93 mph (109.33 km/h) |
| 70 mph (112.65 km/h) | 73.16 mph (117.74 km/h) |
| 75 mph (120.7 km/h) | 78.39 mph (126.15 km/h) |
| 80 mph (128.75 km/h) | 83.61 mph (134.56 km/h) |
| 85 mph (136.79 km/h) | 88.84 mph (142.97 km/h) |
| 90 mph (144.84 km/h) | 94.06 mph (151.38 km/h) |
| 95 mph (152.89 km/h) | 99.29 mph (159.79 km/h) |
| 100 mph (160.93 km/h) | 104.52 mph (168.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1847 | 2145 | 2310 | 2412 | 2522 | 2601 | 2687 | 2789 | 2931 | 3072 | 3229 | 3355 | 3583 | 3834 | 4031 | 4157 | 4227 | 4487 | 4848 | 5634 |
Better Fuel Economy Factory Ratios Increased Power
