Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-16 | 54/19.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.86 (631.4) | 17.85 (453.4) | -7.01 (-178) -28.2% |
| Width inches (mm) | 4.92 (125) | 2.13 (54) | -2.8 (-71) -56.8% |
| Circum. inches (mm) | 78.09 (1983.6) | 56.08 (1424.4) | -22.02 (-559.2) -28.2% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 0.43 (10.8) | -4 (-101.7) -90.4% |
| Revolutions per mile (km) | 811.32 (504.13) | 1129.84 (702.05) | 318.52 (197.92) 39.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.36 mph (23.11 km/h) |
| 25 mph (40.23 km/h) | 17.95 mph (28.89 km/h) |
| 30 mph (48.28 km/h) | 21.54 mph (34.67 km/h) |
| 35 mph (56.33 km/h) | 25.13 mph (40.45 km/h) |
| 40 mph (64.37 km/h) | 28.72 mph (46.23 km/h) |
| 45 mph (72.42 km/h) | 32.31 mph (52 km/h) |
| 50 mph (80.47 km/h) | 35.9 mph (57.78 km/h) |
| 55 mph (88.51 km/h) | 39.49 mph (63.56 km/h) |
| 60 mph (96.56 km/h) | 43.09 mph (69.34 km/h) |
| 65 mph (104.61 km/h) | 46.68 mph (75.12 km/h) |
| 70 mph (112.65 km/h) | 50.27 mph (80.9 km/h) |
| 75 mph (120.7 km/h) | 53.86 mph (86.67 km/h) |
| 80 mph (128.75 km/h) | 57.45 mph (92.45 km/h) |
| 85 mph (136.79 km/h) | 61.04 mph (98.23 km/h) |
| 90 mph (144.84 km/h) | 64.63 mph (104.01 km/h) |
| 95 mph (152.89 km/h) | 68.22 mph (109.79 km/h) |
| 100 mph (160.93 km/h) | 71.81 mph (115.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
