Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/65-17 | 32/10.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.59 (802.3) | 31.93 (810.94) | 0.34 (8.64) 1.1% |
| Width inches (mm) | 11.22 (285) | 10.51 (267) | -0.71 (-18) -6.3% |
| Circum. inches (mm) | 99.23 (2520.5) | 100.3 (2547.64) | 1.07 (27.14) 1.1% |
| Sidewall Height inches (mm) | 7.29 (185.25) | 7.46 (189.57) | 0.17 (4.32) 2.3% |
| Revolutions per mile (km) | 638.5 (396.75) | 631.7 (392.52) | -6.8 (-4.23) -1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.22 mph (32.53 km/h) |
| 25 mph (40.23 km/h) | 25.27 mph (40.67 km/h) |
| 30 mph (48.28 km/h) | 30.32 mph (48.8 km/h) |
| 35 mph (56.33 km/h) | 35.38 mph (56.93 km/h) |
| 40 mph (64.37 km/h) | 40.43 mph (65.07 km/h) |
| 45 mph (72.42 km/h) | 45.48 mph (73.2 km/h) |
| 50 mph (80.47 km/h) | 50.54 mph (81.33 km/h) |
| 55 mph (88.51 km/h) | 55.59 mph (89.47 km/h) |
| 60 mph (96.56 km/h) | 60.65 mph (97.6 km/h) |
| 65 mph (104.61 km/h) | 65.7 mph (105.73 km/h) |
| 70 mph (112.65 km/h) | 70.75 mph (113.87 km/h) |
| 75 mph (120.7 km/h) | 75.81 mph (122 km/h) |
| 80 mph (128.75 km/h) | 80.86 mph (130.13 km/h) |
| 85 mph (136.79 km/h) | 85.92 mph (138.27 km/h) |
| 90 mph (144.84 km/h) | 90.97 mph (146.4 km/h) |
| 95 mph (152.89 km/h) | 96.02 mph (154.53 km/h) |
| 100 mph (160.93 km/h) | 101.08 mph (162.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1608 | 1867 | 2011 | 2100 | 2196 | 2264 | 2340 | 2428 | 2552 | 2675 | 2812 | 2921 | 3119 | 3338 | 3509 | 3619 | 3680 | 3906 | 4221 | 4905 |
Better Fuel Economy Factory Ratios Increased Power
