Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-20 | 395/30-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.91 (709) | 29.33 (745) | 1.42 (36) 5.1% |
| Width inches (mm) | 13.19 (335) | 15.55 (395) | 2.36 (60) 17.9% |
| Circum. inches (mm) | 87.69 (2227.39) | 92.15 (2340.49) | 4.45 (113.1) 5.1% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.67 (118.5) | 0.71 (18) 17.9% |
| Revolutions per mile (km) | 722.52 (448.96) | 687.61 (427.26) | -34.91 (-21.69) -4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.02 mph (33.82 km/h) |
| 25 mph (40.23 km/h) | 26.27 mph (42.28 km/h) |
| 30 mph (48.28 km/h) | 31.52 mph (50.73 km/h) |
| 35 mph (56.33 km/h) | 36.78 mph (59.19 km/h) |
| 40 mph (64.37 km/h) | 42.03 mph (67.64 km/h) |
| 45 mph (72.42 km/h) | 47.28 mph (76.1 km/h) |
| 50 mph (80.47 km/h) | 52.54 mph (84.55 km/h) |
| 55 mph (88.51 km/h) | 57.79 mph (93.01 km/h) |
| 60 mph (96.56 km/h) | 63.05 mph (101.46 km/h) |
| 65 mph (104.61 km/h) | 68.3 mph (109.92 km/h) |
| 70 mph (112.65 km/h) | 73.55 mph (118.37 km/h) |
| 75 mph (120.7 km/h) | 78.81 mph (126.83 km/h) |
| 80 mph (128.75 km/h) | 84.06 mph (135.29 km/h) |
| 85 mph (136.79 km/h) | 89.32 mph (143.74 km/h) |
| 90 mph (144.84 km/h) | 94.57 mph (152.2 km/h) |
| 95 mph (152.89 km/h) | 99.82 mph (160.65 km/h) |
| 100 mph (160.93 km/h) | 105.08 mph (169.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1750 | 2033 | 2189 | 2286 | 2390 | 2465 | 2547 | 2643 | 2777 | 2911 | 3060 | 3179 | 3395 | 3634 | 3820 | 3939 | 4006 | 4252 | 4594 | 5339 |
Better Fuel Economy Factory Ratios Increased Power
