Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-17 | 245/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.52 (724.3) | 31.47 (799.3) | 2.95 (75) 10.4% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 89.58 (2275.46) | 98.86 (2511.08) | 9.28 (235.62) 10.4% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 7.23 (183.75) | 1.48 (37.5) 25.6% |
| Revolutions per mile (km) | 707.26 (439.47) | 640.9 (398.24) | -66.36 (-41.24) -9.4% |
245/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.07 mph (35.52 km/h) |
| 25 mph (40.23 km/h) | 27.59 mph (44.4 km/h) |
| 30 mph (48.28 km/h) | 33.11 mph (53.28 km/h) |
| 35 mph (56.33 km/h) | 38.62 mph (62.16 km/h) |
| 40 mph (64.37 km/h) | 44.14 mph (71.04 km/h) |
| 45 mph (72.42 km/h) | 49.66 mph (79.92 km/h) |
| 50 mph (80.47 km/h) | 55.18 mph (88.8 km/h) |
| 55 mph (88.51 km/h) | 60.7 mph (97.68 km/h) |
| 60 mph (96.56 km/h) | 66.21 mph (106.56 km/h) |
| 65 mph (104.61 km/h) | 71.73 mph (115.44 km/h) |
| 70 mph (112.65 km/h) | 77.25 mph (124.32 km/h) |
| 75 mph (120.7 km/h) | 82.77 mph (133.2 km/h) |
| 80 mph (128.75 km/h) | 88.28 mph (142.08 km/h) |
| 85 mph (136.79 km/h) | 93.8 mph (150.96 km/h) |
| 90 mph (144.84 km/h) | 99.32 mph (159.84 km/h) |
| 95 mph (152.89 km/h) | 104.84 mph (168.72 km/h) |
| 100 mph (160.93 km/h) | 110.35 mph (177.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1631 | 1895 | 2040 | 2131 | 2228 | 2297 | 2374 | 2464 | 2589 | 2714 | 2852 | 2963 | 3165 | 3387 | 3560 | 3671 | 3734 | 3963 | 4282 | 4976 |
Better Fuel Economy Factory Ratios Increased Power
