Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-19 | 100/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.61 (650.6) | 26.09 (662.6) | 0.47 (12) 1.8% |
| Width inches (mm) | 4.72 (120) | 3.94 (100) | -0.79 (-20) -16.7% |
| Circum. inches (mm) | 80.47 (2043.92) | 81.95 (2081.62) | 1.48 (37.7) 1.8% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.54 (90) | 0.24 (6) 7.1% |
| Revolutions per mile (km) | 787.38 (489.25) | 773.12 (480.39) | -14.26 (-8.86) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.78 km/h) |
| 25 mph (40.23 km/h) | 25.46 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.55 mph (49.17 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.37 km/h) |
| 40 mph (64.37 km/h) | 40.74 mph (65.56 km/h) |
| 45 mph (72.42 km/h) | 45.83 mph (73.76 km/h) |
| 50 mph (80.47 km/h) | 50.92 mph (81.95 km/h) |
| 55 mph (88.51 km/h) | 56.01 mph (90.15 km/h) |
| 60 mph (96.56 km/h) | 61.11 mph (98.34 km/h) |
| 65 mph (104.61 km/h) | 66.2 mph (106.54 km/h) |
| 70 mph (112.65 km/h) | 71.29 mph (114.73 km/h) |
| 75 mph (120.7 km/h) | 76.38 mph (122.93 km/h) |
| 80 mph (128.75 km/h) | 81.48 mph (131.12 km/h) |
| 85 mph (136.79 km/h) | 86.57 mph (139.32 km/h) |
| 90 mph (144.84 km/h) | 91.66 mph (147.51 km/h) |
| 95 mph (152.89 km/h) | 96.75 mph (155.71 km/h) |
| 100 mph (160.93 km/h) | 101.84 mph (163.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2286 | 2461 | 2570 | 2687 | 2771 | 2863 | 2972 | 3123 | 3273 | 3441 | 3575 | 3818 | 4086 | 4295 | 4429 | 4504 | 4780 | 5166 | 6003 |
Better Fuel Economy Factory Ratios Increased Power
