Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-19 | 140/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 28.92 (734.6) | 2.36 (60) 8.9% |
| Width inches (mm) | 4.72 (120) | 5.51 (140) | 0.79 (20) 16.7% |
| Circum. inches (mm) | 83.44 (2119.32) | 90.86 (2307.81) | 7.42 (188.5) 8.9% |
| Sidewall Height inches (mm) | 3.78 (96) | 4.96 (126) | 1.18 (30) 31.3% |
| Revolutions per mile (km) | 759.37 (471.85) | 697.35 (433.31) | -62.02 (-38.54) -8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.78 mph (35.05 km/h) |
| 25 mph (40.23 km/h) | 27.22 mph (43.81 km/h) |
| 30 mph (48.28 km/h) | 32.67 mph (52.57 km/h) |
| 35 mph (56.33 km/h) | 38.11 mph (61.34 km/h) |
| 40 mph (64.37 km/h) | 43.56 mph (70.1 km/h) |
| 45 mph (72.42 km/h) | 49 mph (78.86 km/h) |
| 50 mph (80.47 km/h) | 54.45 mph (87.62 km/h) |
| 55 mph (88.51 km/h) | 59.89 mph (96.39 km/h) |
| 60 mph (96.56 km/h) | 65.34 mph (105.15 km/h) |
| 65 mph (104.61 km/h) | 70.78 mph (113.91 km/h) |
| 70 mph (112.65 km/h) | 76.23 mph (122.67 km/h) |
| 75 mph (120.7 km/h) | 81.67 mph (131.44 km/h) |
| 80 mph (128.75 km/h) | 87.12 mph (140.2 km/h) |
| 85 mph (136.79 km/h) | 92.56 mph (148.96 km/h) |
| 90 mph (144.84 km/h) | 98 mph (157.72 km/h) |
| 95 mph (152.89 km/h) | 103.45 mph (166.49 km/h) |
| 100 mph (160.93 km/h) | 108.89 mph (175.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1775 | 2062 | 2220 | 2318 | 2424 | 2500 | 2583 | 2681 | 2817 | 2953 | 3104 | 3225 | 3444 | 3685 | 3874 | 3995 | 4063 | 4312 | 4659 | 5414 |
Better Fuel Economy Factory Ratios Increased Power
