Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-19 | 140/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.5 (698.6) | 28.92 (734.6) | 1.42 (36) 5.2% |
| Width inches (mm) | 4.72 (120) | 5.51 (140) | 0.79 (20) 16.7% |
| Circum. inches (mm) | 86.41 (2194.72) | 90.86 (2307.81) | 4.45 (113.1) 5.2% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.96 (126) | 0.71 (18) 16.7% |
| Revolutions per mile (km) | 733.28 (455.64) | 697.35 (433.31) | -35.94 (-22.33) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.85 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.31 km/h) |
| 30 mph (48.28 km/h) | 31.55 mph (50.77 km/h) |
| 35 mph (56.33 km/h) | 36.8 mph (59.23 km/h) |
| 40 mph (64.37 km/h) | 42.06 mph (67.69 km/h) |
| 45 mph (72.42 km/h) | 47.32 mph (76.15 km/h) |
| 50 mph (80.47 km/h) | 52.58 mph (84.61 km/h) |
| 55 mph (88.51 km/h) | 57.83 mph (93.08 km/h) |
| 60 mph (96.56 km/h) | 63.09 mph (101.54 km/h) |
| 65 mph (104.61 km/h) | 68.35 mph (110 km/h) |
| 70 mph (112.65 km/h) | 73.61 mph (118.46 km/h) |
| 75 mph (120.7 km/h) | 78.86 mph (126.92 km/h) |
| 80 mph (128.75 km/h) | 84.12 mph (135.38 km/h) |
| 85 mph (136.79 km/h) | 89.38 mph (143.84 km/h) |
| 90 mph (144.84 km/h) | 94.64 mph (152.31 km/h) |
| 95 mph (152.89 km/h) | 99.9 mph (160.77 km/h) |
| 100 mph (160.93 km/h) | 105.15 mph (169.23 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
