Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10-17 | 285/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32 (812.8) | 31.59 (802.3) | -0.41 (-10.5) -1.3% |
| Width inches (mm) | 10 (254) | 11.22 (285) | 1.22 (31) 12.2% |
| Circum. inches (mm) | 100.53 (2553.49) | 99.23 (2520.5) | -1.3 (-32.99) -1.3% |
| Sidewall Height inches (mm) | 7.5 (190.5) | 7.29 (185.25) | -0.21 (-5.25) -2.8% |
| Revolutions per mile (km) | 630.25 (391.62) | 638.5 (396.75) | 8.25 (5.13) 1.3% |
285/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.77 km/h) |
| 25 mph (40.23 km/h) | 24.68 mph (39.71 km/h) |
| 30 mph (48.28 km/h) | 29.61 mph (47.66 km/h) |
| 35 mph (56.33 km/h) | 34.55 mph (55.6 km/h) |
| 40 mph (64.37 km/h) | 39.48 mph (63.54 km/h) |
| 45 mph (72.42 km/h) | 44.42 mph (71.49 km/h) |
| 50 mph (80.47 km/h) | 49.35 mph (79.43 km/h) |
| 55 mph (88.51 km/h) | 54.29 mph (87.37 km/h) |
| 60 mph (96.56 km/h) | 59.22 mph (95.31 km/h) |
| 65 mph (104.61 km/h) | 64.16 mph (103.26 km/h) |
| 70 mph (112.65 km/h) | 69.1 mph (111.2 km/h) |
| 75 mph (120.7 km/h) | 74.03 mph (119.14 km/h) |
| 80 mph (128.75 km/h) | 78.97 mph (127.08 km/h) |
| 85 mph (136.79 km/h) | 83.9 mph (135.03 km/h) |
| 90 mph (144.84 km/h) | 88.84 mph (142.97 km/h) |
| 95 mph (152.89 km/h) | 93.77 mph (150.91 km/h) |
| 100 mph (160.93 km/h) | 98.71 mph (158.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1625 | 1888 | 2033 | 2123 | 2219 | 2289 | 2365 | 2455 | 2579 | 2703 | 2842 | 2952 | 3153 | 3374 | 3547 | 3658 | 3720 | 3948 | 4266 | 4958 |
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