Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-20 | 335/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 29.23 (742.5) | 2.38 (60.5) 8.9% |
| Width inches (mm) | 5.71 (145) | 13.19 (335) | 7.48 (190) 131% |
| Circum. inches (mm) | 84.35 (2142.57) | 91.84 (2332.63) | 7.48 (190.07) 8.9% |
| Sidewall Height inches (mm) | 3.43 (87) | 4.62 (117.25) | 1.19 (30.25) 34.8% |
| Revolutions per mile (km) | 751.13 (466.73) | 689.93 (428.7) | -61.2 (-38.03) -8.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.77 mph (35.04 km/h) |
| 25 mph (40.23 km/h) | 27.22 mph (43.8 km/h) |
| 30 mph (48.28 km/h) | 32.66 mph (52.56 km/h) |
| 35 mph (56.33 km/h) | 38.1 mph (61.32 km/h) |
| 40 mph (64.37 km/h) | 43.55 mph (70.08 km/h) |
| 45 mph (72.42 km/h) | 48.99 mph (78.85 km/h) |
| 50 mph (80.47 km/h) | 54.44 mph (87.61 km/h) |
| 55 mph (88.51 km/h) | 59.88 mph (96.37 km/h) |
| 60 mph (96.56 km/h) | 65.32 mph (105.13 km/h) |
| 65 mph (104.61 km/h) | 70.77 mph (113.89 km/h) |
| 70 mph (112.65 km/h) | 76.21 mph (122.65 km/h) |
| 75 mph (120.7 km/h) | 81.65 mph (131.41 km/h) |
| 80 mph (128.75 km/h) | 87.1 mph (140.17 km/h) |
| 85 mph (136.79 km/h) | 92.54 mph (148.93 km/h) |
| 90 mph (144.84 km/h) | 97.98 mph (157.69 km/h) |
| 95 mph (152.89 km/h) | 103.43 mph (166.45 km/h) |
| 100 mph (160.93 km/h) | 108.87 mph (175.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1756 | 2040 | 2197 | 2294 | 2398 | 2473 | 2555 | 2652 | 2787 | 2921 | 3071 | 3190 | 3407 | 3646 | 3833 | 3952 | 4020 | 4266 | 4610 | 5357 |
Better Fuel Economy Factory Ratios Increased Power
