Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-19 | 120/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.61 (650.6) | 24.61 (625.2) | -1 (-25.4) -3.9% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 80.47 (2043.92) | 77.33 (1964.12) | -3.14 (-79.8) -3.9% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.31 (84) | 0 (0) 0% |
| Revolutions per mile (km) | 787.38 (489.25) | 819.37 (509.13) | 31.99 (19.88) 4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.22 mph (30.93 km/h) |
| 25 mph (40.23 km/h) | 24.02 mph (38.66 km/h) |
| 30 mph (48.28 km/h) | 28.83 mph (46.4 km/h) |
| 35 mph (56.33 km/h) | 33.63 mph (54.13 km/h) |
| 40 mph (64.37 km/h) | 38.44 mph (61.86 km/h) |
| 45 mph (72.42 km/h) | 43.24 mph (69.59 km/h) |
| 50 mph (80.47 km/h) | 48.05 mph (77.33 km/h) |
| 55 mph (88.51 km/h) | 52.85 mph (85.06 km/h) |
| 60 mph (96.56 km/h) | 57.66 mph (92.79 km/h) |
| 65 mph (104.61 km/h) | 62.46 mph (100.52 km/h) |
| 70 mph (112.65 km/h) | 67.27 mph (108.26 km/h) |
| 75 mph (120.7 km/h) | 72.07 mph (115.99 km/h) |
| 80 mph (128.75 km/h) | 76.88 mph (123.72 km/h) |
| 85 mph (136.79 km/h) | 81.68 mph (131.45 km/h) |
| 90 mph (144.84 km/h) | 86.49 mph (139.19 km/h) |
| 95 mph (152.89 km/h) | 91.29 mph (146.92 km/h) |
| 100 mph (160.93 km/h) | 96.1 mph (154.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085 | 2422 | 2609 | 2724 | 2848 | 2937 | 3035 | 3150 | 3310 | 3469 | 3647 | 3789 | 4046 | 4330 | 4552 | 4694 | 4774 | 5066 | 5475 | 6362 |
Better Fuel Economy Factory Ratios Increased Power
