Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/35-24 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.85 (809.1) | 35.02 (889.6) | 3.17 (80.5) 9.9% |
| Width inches (mm) | 11.22 (285) | 12.52 (318) | 1.3 (33) 11.6% |
| Circum. inches (mm) | 100.07 (2541.86) | 110.03 (2794.76) | 9.96 (252.9) 9.9% |
| Sidewall Height inches (mm) | 3.93 (99.75) | 7.51 (190.8) | 3.58 (91.05) 91.3% |
| Revolutions per mile (km) | 633.14 (393.41) | 575.84 (357.81) | -57.29 (-35.6) -9% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.99 mph (35.39 km/h) |
| 25 mph (40.23 km/h) | 27.49 mph (44.24 km/h) |
| 30 mph (48.28 km/h) | 32.98 mph (53.08 km/h) |
| 35 mph (56.33 km/h) | 38.48 mph (61.93 km/h) |
| 40 mph (64.37 km/h) | 43.98 mph (70.78 km/h) |
| 45 mph (72.42 km/h) | 49.48 mph (79.63 km/h) |
| 50 mph (80.47 km/h) | 54.97 mph (88.47 km/h) |
| 55 mph (88.51 km/h) | 60.47 mph (97.32 km/h) |
| 60 mph (96.56 km/h) | 65.97 mph (106.17 km/h) |
| 65 mph (104.61 km/h) | 71.47 mph (115.02 km/h) |
| 70 mph (112.65 km/h) | 76.96 mph (123.86 km/h) |
| 75 mph (120.7 km/h) | 82.46 mph (132.71 km/h) |
| 80 mph (128.75 km/h) | 87.96 mph (141.56 km/h) |
| 85 mph (136.79 km/h) | 93.46 mph (150.4 km/h) |
| 90 mph (144.84 km/h) | 98.95 mph (159.25 km/h) |
| 95 mph (152.89 km/h) | 104.45 mph (168.1 km/h) |
| 100 mph (160.93 km/h) | 109.95 mph (176.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
