Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-19 | 120/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 27.5 (698.6) | 0.94 (24) 3.6% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 83.44 (2119.32) | 86.41 (2194.72) | 2.97 (75.4) 3.6% |
| Sidewall Height inches (mm) | 3.78 (96) | 4.25 (108) | 0.47 (12) 12.5% |
| Revolutions per mile (km) | 759.37 (471.85) | 733.28 (455.64) | -26.09 (-16.21) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.71 mph (33.33 km/h) |
| 25 mph (40.23 km/h) | 25.89 mph (41.67 km/h) |
| 30 mph (48.28 km/h) | 31.07 mph (50 km/h) |
| 35 mph (56.33 km/h) | 36.25 mph (58.33 km/h) |
| 40 mph (64.37 km/h) | 41.42 mph (66.66 km/h) |
| 45 mph (72.42 km/h) | 46.6 mph (75 km/h) |
| 50 mph (80.47 km/h) | 51.78 mph (83.33 km/h) |
| 55 mph (88.51 km/h) | 56.96 mph (91.66 km/h) |
| 60 mph (96.56 km/h) | 62.13 mph (100 km/h) |
| 65 mph (104.61 km/h) | 67.31 mph (108.33 km/h) |
| 70 mph (112.65 km/h) | 72.49 mph (116.66 km/h) |
| 75 mph (120.7 km/h) | 77.67 mph (125 km/h) |
| 80 mph (128.75 km/h) | 82.85 mph (133.33 km/h) |
| 85 mph (136.79 km/h) | 88.02 mph (141.66 km/h) |
| 90 mph (144.84 km/h) | 93.2 mph (149.99 km/h) |
| 95 mph (152.89 km/h) | 98.38 mph (158.33 km/h) |
| 100 mph (160.93 km/h) | 103.56 mph (166.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1866 | 2168 | 2335 | 2438 | 2549 | 2628 | 2716 | 2819 | 2962 | 3105 | 3264 | 3391 | 3621 | 3875 | 4074 | 4201 | 4272 | 4534 | 4899 | 5693 |
Better Fuel Economy Factory Ratios Increased Power
