Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/55-17 | 285/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.61 (701.3) | 29.34 (745.3) | 1.73 (44) 6.3% |
| Width inches (mm) | 9.65 (245) | 11.22 (285) | 1.57 (40) 16.3% |
| Circum. inches (mm) | 86.74 (2203.2) | 92.18 (2341.43) | 5.44 (138.23) 6.3% |
| Sidewall Height inches (mm) | 5.31 (134.75) | 6.17 (156.75) | 0.87 (22) 16.3% |
| Revolutions per mile (km) | 730.46 (453.88) | 687.33 (427.09) | -43.12 (-26.8) -5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.25 mph (34.21 km/h) |
| 25 mph (40.23 km/h) | 26.57 mph (42.76 km/h) |
| 30 mph (48.28 km/h) | 31.88 mph (51.31 km/h) |
| 35 mph (56.33 km/h) | 37.2 mph (59.86 km/h) |
| 40 mph (64.37 km/h) | 42.51 mph (68.41 km/h) |
| 45 mph (72.42 km/h) | 47.82 mph (76.96 km/h) |
| 50 mph (80.47 km/h) | 53.14 mph (85.52 km/h) |
| 55 mph (88.51 km/h) | 58.45 mph (94.07 km/h) |
| 60 mph (96.56 km/h) | 63.76 mph (102.62 km/h) |
| 65 mph (104.61 km/h) | 69.08 mph (111.17 km/h) |
| 70 mph (112.65 km/h) | 74.39 mph (119.72 km/h) |
| 75 mph (120.7 km/h) | 79.71 mph (128.27 km/h) |
| 80 mph (128.75 km/h) | 85.02 mph (136.83 km/h) |
| 85 mph (136.79 km/h) | 90.33 mph (145.38 km/h) |
| 90 mph (144.84 km/h) | 95.65 mph (153.93 km/h) |
| 95 mph (152.89 km/h) | 100.96 mph (162.48 km/h) |
| 100 mph (160.93 km/h) | 106.27 mph (171.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1749 | 2032 | 2188 | 2285 | 2389 | 2464 | 2546 | 2642 | 2776 | 2910 | 3059 | 3178 | 3394 | 3632 | 3818 | 3937 | 4004 | 4250 | 4592 | 5337 |
Better Fuel Economy Factory Ratios Increased Power
