Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10-17 | 280/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32 (812.8) | 32.43 (823.8) | 0.43 (11) 1.4% |
| Width inches (mm) | 10 (254) | 11.02 (280) | 1.02 (26) 10.2% |
| Circum. inches (mm) | 100.53 (2553.49) | 101.89 (2588.04) | 1.36 (34.56) 1.4% |
| Sidewall Height inches (mm) | 7.5 (190.5) | 7.72 (196) | 0.22 (5.5) 2.9% |
| Revolutions per mile (km) | 630.25 (391.62) | 621.84 (386.39) | -8.42 (-5.23) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.27 mph (32.62 km/h) |
| 25 mph (40.23 km/h) | 25.34 mph (40.78 km/h) |
| 30 mph (48.28 km/h) | 30.41 mph (48.93 km/h) |
| 35 mph (56.33 km/h) | 35.47 mph (57.09 km/h) |
| 40 mph (64.37 km/h) | 40.54 mph (65.25 km/h) |
| 45 mph (72.42 km/h) | 45.61 mph (73.4 km/h) |
| 50 mph (80.47 km/h) | 50.68 mph (81.56 km/h) |
| 55 mph (88.51 km/h) | 55.74 mph (89.71 km/h) |
| 60 mph (96.56 km/h) | 60.81 mph (97.87 km/h) |
| 65 mph (104.61 km/h) | 65.88 mph (106.02 km/h) |
| 70 mph (112.65 km/h) | 70.95 mph (114.18 km/h) |
| 75 mph (120.7 km/h) | 76.02 mph (122.33 km/h) |
| 80 mph (128.75 km/h) | 81.08 mph (130.49 km/h) |
| 85 mph (136.79 km/h) | 86.15 mph (138.65 km/h) |
| 90 mph (144.84 km/h) | 91.22 mph (146.8 km/h) |
| 95 mph (152.89 km/h) | 96.29 mph (154.96 km/h) |
| 100 mph (160.93 km/h) | 101.35 mph (163.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1582 | 1838 | 1980 | 2067 | 2162 | 2229 | 2303 | 2391 | 2512 | 2633 | 2768 | 2875 | 3071 | 3286 | 3454 | 3562 | 3623 | 3845 | 4155 | 4828 |
Better Fuel Economy Factory Ratios Increased Power
