Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-19 | 120/80-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.5 (698.6) | 26.56 (674.6) | -0.94 (-24) -3.4% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 86.41 (2194.72) | 83.44 (2119.32) | -2.97 (-75.4) -3.4% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.78 (96) | -0.47 (-12) -11.1% |
| Revolutions per mile (km) | 733.28 (455.64) | 759.37 (471.85) | 26.09 (16.21) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.08 km/h) |
| 25 mph (40.23 km/h) | 24.14 mph (38.85 km/h) |
| 30 mph (48.28 km/h) | 28.97 mph (46.62 km/h) |
| 35 mph (56.33 km/h) | 33.8 mph (54.39 km/h) |
| 40 mph (64.37 km/h) | 38.63 mph (62.16 km/h) |
| 45 mph (72.42 km/h) | 43.45 mph (69.93 km/h) |
| 50 mph (80.47 km/h) | 48.28 mph (77.7 km/h) |
| 55 mph (88.51 km/h) | 53.11 mph (85.47 km/h) |
| 60 mph (96.56 km/h) | 57.94 mph (93.24 km/h) |
| 65 mph (104.61 km/h) | 62.77 mph (101.01 km/h) |
| 70 mph (112.65 km/h) | 67.6 mph (108.78 km/h) |
| 75 mph (120.7 km/h) | 72.42 mph (116.55 km/h) |
| 80 mph (128.75 km/h) | 77.25 mph (124.32 km/h) |
| 85 mph (136.79 km/h) | 82.08 mph (132.1 km/h) |
| 90 mph (144.84 km/h) | 86.91 mph (139.87 km/h) |
| 95 mph (152.89 km/h) | 91.74 mph (147.64 km/h) |
| 100 mph (160.93 km/h) | 96.56 mph (155.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1932 | 2245 | 2418 | 2525 | 2640 | 2722 | 2812 | 2919 | 3067 | 3215 | 3380 | 3511 | 3750 | 4013 | 4218 | 4350 | 4424 | 4695 | 5074 | 5896 |
Better Fuel Economy Factory Ratios Increased Power
