Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-17 | 35/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.88 (809.8) | 35.03 (889.72) | 3.15 (79.92) 9.9% |
| Width inches (mm) | 10.63 (270) | 12.52 (318) | 1.89 (48) 17.8% |
| Circum. inches (mm) | 100.16 (2544.06) | 110.04 (2795.14) | 9.88 (251.08) 9.9% |
| Sidewall Height inches (mm) | 7.44 (189) | 9.01 (228.96) | 1.57 (39.96) 21.1% |
| Revolutions per mile (km) | 632.59 (393.07) | 575.77 (357.76) | -56.82 (-35.31) -9% |
35/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.97 mph (35.36 km/h) |
| 25 mph (40.23 km/h) | 27.47 mph (44.2 km/h) |
| 30 mph (48.28 km/h) | 32.96 mph (53.05 km/h) |
| 35 mph (56.33 km/h) | 38.45 mph (61.89 km/h) |
| 40 mph (64.37 km/h) | 43.95 mph (70.73 km/h) |
| 45 mph (72.42 km/h) | 49.44 mph (79.57 km/h) |
| 50 mph (80.47 km/h) | 54.93 mph (88.41 km/h) |
| 55 mph (88.51 km/h) | 60.43 mph (97.25 km/h) |
| 60 mph (96.56 km/h) | 65.92 mph (106.09 km/h) |
| 65 mph (104.61 km/h) | 71.41 mph (114.93 km/h) |
| 70 mph (112.65 km/h) | 76.91 mph (123.77 km/h) |
| 75 mph (120.7 km/h) | 82.4 mph (132.61 km/h) |
| 80 mph (128.75 km/h) | 87.9 mph (141.45 km/h) |
| 85 mph (136.79 km/h) | 93.39 mph (150.29 km/h) |
| 90 mph (144.84 km/h) | 98.88 mph (159.14 km/h) |
| 95 mph (152.89 km/h) | 104.38 mph (167.98 km/h) |
| 100 mph (160.93 km/h) | 109.87 mph (176.82 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 | 2001 | 2064 | 2132 | 2213 | 2326 | 2438 | 2563 | 2662 | 2843 | 3043 | 3199 | 3298 | 3354 | 3560 | 3847 | 4470 |
Better Fuel Economy Factory Ratios Increased Power
