Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-17 | 35/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.71 (830.8) | 35.03 (889.72) | 2.32 (58.92) 7.1% |
| Width inches (mm) | 11.22 (285) | 12.52 (318) | 1.3 (33) 11.6% |
| Circum. inches (mm) | 102.76 (2610.04) | 110.04 (2795.14) | 7.29 (185.1) 7.1% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 9.01 (228.96) | 1.16 (29.46) 14.8% |
| Revolutions per mile (km) | 616.6 (383.14) | 575.77 (357.76) | -40.83 (-25.37) -6.6% |
35/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.42 mph (34.47 km/h) |
| 25 mph (40.23 km/h) | 26.77 mph (43.09 km/h) |
| 30 mph (48.28 km/h) | 32.13 mph (51.7 km/h) |
| 35 mph (56.33 km/h) | 37.48 mph (60.32 km/h) |
| 40 mph (64.37 km/h) | 42.84 mph (68.94 km/h) |
| 45 mph (72.42 km/h) | 48.19 mph (77.56 km/h) |
| 50 mph (80.47 km/h) | 53.55 mph (86.17 km/h) |
| 55 mph (88.51 km/h) | 58.9 mph (94.79 km/h) |
| 60 mph (96.56 km/h) | 64.26 mph (103.41 km/h) |
| 65 mph (104.61 km/h) | 69.61 mph (112.03 km/h) |
| 70 mph (112.65 km/h) | 74.96 mph (120.64 km/h) |
| 75 mph (120.7 km/h) | 80.32 mph (129.26 km/h) |
| 80 mph (128.75 km/h) | 85.67 mph (137.88 km/h) |
| 85 mph (136.79 km/h) | 91.03 mph (146.5 km/h) |
| 90 mph (144.84 km/h) | 96.38 mph (155.11 km/h) |
| 95 mph (152.89 km/h) | 101.74 mph (163.73 km/h) |
| 100 mph (160.93 km/h) | 107.09 mph (172.35 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 |
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