Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/50-17 | 180/47-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.09 (611.8) | 23.66 (601) | -0.43 (-10.8) -1.8% |
| Width inches (mm) | 7.09 (180) | 7.09 (180) | 0 (0) 0% |
| Circum. inches (mm) | 75.67 (1922.03) | 74.33 (1888.1) | -1.34 (-33.93) -1.8% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.33 (84.6) | -0.21 (-5.4) -6% |
| Revolutions per mile (km) | 837.32 (520.28) | 852.36 (529.63) | 15.05 (9.35) 1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.65 mph (31.62 km/h) |
| 25 mph (40.23 km/h) | 24.56 mph (39.52 km/h) |
| 30 mph (48.28 km/h) | 29.47 mph (47.43 km/h) |
| 35 mph (56.33 km/h) | 34.38 mph (55.33 km/h) |
| 40 mph (64.37 km/h) | 39.29 mph (63.24 km/h) |
| 45 mph (72.42 km/h) | 44.21 mph (71.14 km/h) |
| 50 mph (80.47 km/h) | 49.12 mph (79.05 km/h) |
| 55 mph (88.51 km/h) | 54.03 mph (86.95 km/h) |
| 60 mph (96.56 km/h) | 58.94 mph (94.86 km/h) |
| 65 mph (104.61 km/h) | 63.85 mph (102.76 km/h) |
| 70 mph (112.65 km/h) | 68.76 mph (110.67 km/h) |
| 75 mph (120.7 km/h) | 73.68 mph (118.57 km/h) |
| 80 mph (128.75 km/h) | 78.59 mph (126.48 km/h) |
| 85 mph (136.79 km/h) | 83.5 mph (134.38 km/h) |
| 90 mph (144.84 km/h) | 88.41 mph (142.28 km/h) |
| 95 mph (152.89 km/h) | 93.32 mph (150.19 km/h) |
| 100 mph (160.93 km/h) | 98.23 mph (158.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2169 | 2520 | 2714 | 2834 | 2963 | 3055 | 3157 | 3277 | 3443 | 3609 | 3794 | 3941 | 4209 | 4504 | 4735 | 4883 | 4966 | 5270 | 5695 | 6618 |
Better Fuel Economy Factory Ratios Increased Power
