Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 175/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 23.2 (589.3) | -3.96 (-100.6) -14.6% |
| Width inches (mm) | 12.4 (315) | 6.89 (175) | -5.51 (-140) -44.4% |
| Circum. inches (mm) | 85.33 (2167.38) | 72.89 (1851.34) | -12.44 (-316.04) -14.6% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 3.1 (78.75) | -2.48 (-63) -44.4% |
| Revolutions per mile (km) | 742.53 (461.38) | 869.29 (540.15) | 126.76 (78.76) 17.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.08 mph (27.49 km/h) |
| 25 mph (40.23 km/h) | 21.35 mph (34.37 km/h) |
| 30 mph (48.28 km/h) | 25.63 mph (41.24 km/h) |
| 35 mph (56.33 km/h) | 29.9 mph (48.11 km/h) |
| 40 mph (64.37 km/h) | 34.17 mph (54.99 km/h) |
| 45 mph (72.42 km/h) | 38.44 mph (61.86 km/h) |
| 50 mph (80.47 km/h) | 42.71 mph (68.73 km/h) |
| 55 mph (88.51 km/h) | 46.98 mph (75.61 km/h) |
| 60 mph (96.56 km/h) | 51.25 mph (82.48 km/h) |
| 65 mph (104.61 km/h) | 55.52 mph (89.35 km/h) |
| 70 mph (112.65 km/h) | 59.79 mph (96.23 km/h) |
| 75 mph (120.7 km/h) | 64.06 mph (103.1 km/h) |
| 80 mph (128.75 km/h) | 68.33 mph (109.97 km/h) |
| 85 mph (136.79 km/h) | 72.61 mph (116.85 km/h) |
| 90 mph (144.84 km/h) | 76.88 mph (123.72 km/h) |
| 95 mph (152.89 km/h) | 81.15 mph (130.59 km/h) |
| 100 mph (160.93 km/h) | 85.42 mph (137.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2212 | 2570 | 2768 | 2890 | 3022 | 3116 | 3219 | 3342 | 3511 | 3681 | 3869 | 4020 | 4293 | 4594 | 4829 | 4980 | 5064 | 5375 | 5808 | 6749 |
Better Fuel Economy Factory Ratios Increased Power
