Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-20 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.61 (879) | 35.02 (889.6) | 0.42 (10.6) 1.2% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 108.72 (2761.46) | 110.03 (2794.76) | 1.31 (33.3) 1.2% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 7.51 (190.8) | 0.21 (5.3) 2.9% |
| Revolutions per mile (km) | 582.79 (362.13) | 575.84 (357.81) | -6.94 (-4.31) -1.2% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.58 km/h) |
| 25 mph (40.23 km/h) | 25.3 mph (40.72 km/h) |
| 30 mph (48.28 km/h) | 30.36 mph (48.86 km/h) |
| 35 mph (56.33 km/h) | 35.42 mph (57.01 km/h) |
| 40 mph (64.37 km/h) | 40.48 mph (65.15 km/h) |
| 45 mph (72.42 km/h) | 45.54 mph (73.29 km/h) |
| 50 mph (80.47 km/h) | 50.6 mph (81.44 km/h) |
| 55 mph (88.51 km/h) | 55.66 mph (89.58 km/h) |
| 60 mph (96.56 km/h) | 60.72 mph (97.73 km/h) |
| 65 mph (104.61 km/h) | 65.78 mph (105.87 km/h) |
| 70 mph (112.65 km/h) | 70.84 mph (114.01 km/h) |
| 75 mph (120.7 km/h) | 75.9 mph (122.16 km/h) |
| 80 mph (128.75 km/h) | 80.96 mph (130.3 km/h) |
| 85 mph (136.79 km/h) | 86.03 mph (138.44 km/h) |
| 90 mph (144.84 km/h) | 91.09 mph (146.59 km/h) |
| 95 mph (152.89 km/h) | 96.15 mph (154.73 km/h) |
| 100 mph (160.93 km/h) | 101.21 mph (162.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2002 | 2064 | 2133 | 2214 | 2326 | 2438 | 2563 | 2663 | 2844 | 3043 | 3199 | 3299 | 3355 | 3561 | 3847 | 4471 |
Better Fuel Economy Factory Ratios Increased Power
