Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-19 | 110/80-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.5 (698.6) | 25.93 (658.6) | -1.57 (-40) -5.7% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 86.41 (2194.72) | 81.46 (2069.05) | -4.95 (-125.66) -5.7% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.46 (88) | -0.79 (-20) -18.5% |
| Revolutions per mile (km) | 733.28 (455.64) | 777.82 (483.31) | 44.54 (27.67) 6.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.85 mph (30.34 km/h) |
| 25 mph (40.23 km/h) | 23.57 mph (37.93 km/h) |
| 30 mph (48.28 km/h) | 28.28 mph (45.52 km/h) |
| 35 mph (56.33 km/h) | 33 mph (53.1 km/h) |
| 40 mph (64.37 km/h) | 37.71 mph (60.69 km/h) |
| 45 mph (72.42 km/h) | 42.42 mph (68.27 km/h) |
| 50 mph (80.47 km/h) | 47.14 mph (75.86 km/h) |
| 55 mph (88.51 km/h) | 51.85 mph (83.45 km/h) |
| 60 mph (96.56 km/h) | 56.56 mph (91.03 km/h) |
| 65 mph (104.61 km/h) | 61.28 mph (98.62 km/h) |
| 70 mph (112.65 km/h) | 65.99 mph (106.2 km/h) |
| 75 mph (120.7 km/h) | 70.71 mph (113.79 km/h) |
| 80 mph (128.75 km/h) | 75.42 mph (121.38 km/h) |
| 85 mph (136.79 km/h) | 80.13 mph (128.96 km/h) |
| 90 mph (144.84 km/h) | 84.85 mph (136.55 km/h) |
| 95 mph (152.89 km/h) | 89.56 mph (144.13 km/h) |
| 100 mph (160.93 km/h) | 94.27 mph (151.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1979 | 2299 | 2476 | 2586 | 2704 | 2788 | 2881 | 2990 | 3142 | 3293 | 3462 | 3597 | 3841 | 4110 | 4321 | 4456 | 4532 | 4810 | 5197 | 6039 |
Better Fuel Economy Factory Ratios Increased Power
