Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/9-15 | 250/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.98 (710.76) | 33.73 (856.8) | 5.75 (146.04) 20.5% |
| Width inches (mm) | 9.02 (229) | 9.84 (250) | 0.83 (21) 9.2% |
| Circum. inches (mm) | 87.91 (2232.92) | 105.97 (2691.72) | 18.06 (458.8) 20.5% |
| Sidewall Height inches (mm) | 6.49 (164.88) | 8.37 (212.5) | 1.87 (47.62) 28.9% |
| Revolutions per mile (km) | 720.74 (447.84) | 597.89 (371.51) | -122.85 (-76.33) -17% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.11 mph (38.8 km/h) |
| 25 mph (40.23 km/h) | 30.14 mph (48.5 km/h) |
| 30 mph (48.28 km/h) | 36.16 mph (58.2 km/h) |
| 35 mph (56.33 km/h) | 42.19 mph (67.9 km/h) |
| 40 mph (64.37 km/h) | 48.22 mph (77.6 km/h) |
| 45 mph (72.42 km/h) | 54.25 mph (87.3 km/h) |
| 50 mph (80.47 km/h) | 60.27 mph (97 km/h) |
| 55 mph (88.51 km/h) | 66.3 mph (106.7 km/h) |
| 60 mph (96.56 km/h) | 72.33 mph (116.4 km/h) |
| 65 mph (104.61 km/h) | 78.36 mph (126.1 km/h) |
| 70 mph (112.65 km/h) | 84.38 mph (135.8 km/h) |
| 75 mph (120.7 km/h) | 90.41 mph (145.5 km/h) |
| 80 mph (128.75 km/h) | 96.44 mph (155.2 km/h) |
| 85 mph (136.79 km/h) | 102.46 mph (164.9 km/h) |
| 90 mph (144.84 km/h) | 108.49 mph (174.6 km/h) |
| 95 mph (152.89 km/h) | 114.52 mph (184.3 km/h) |
| 100 mph (160.93 km/h) | 120.55 mph (194 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1522 | 1768 | 1904 | 1988 | 2078 | 2143 | 2214 | 2298 | 2415 | 2532 | 2661 | 2765 | 2952 | 3160 | 3321 | 3425 | 3483 | 3697 | 3995 | 4642 |
Better Fuel Economy Factory Ratios Increased Power
