Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/85-19 | 185/25-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.69 (652.6) | 22.64 (575.1) | -3.05 (-77.5) -11.9% |
| Width inches (mm) | 3.94 (100) | 7.28 (185) | 3.35 (85) 85% |
| Circum. inches (mm) | 80.72 (2050.2) | 71.13 (1806.73) | -9.59 (-243.47) -11.9% |
| Sidewall Height inches (mm) | 3.35 (85) | 1.82 (46.25) | -1.53 (-38.75) -45.6% |
| Revolutions per mile (km) | 784.97 (487.76) | 890.75 (553.49) | 105.78 (65.73) 13.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.62 mph (28.36 km/h) |
| 25 mph (40.23 km/h) | 22.03 mph (35.46 km/h) |
| 30 mph (48.28 km/h) | 26.44 mph (42.55 km/h) |
| 35 mph (56.33 km/h) | 30.84 mph (49.64 km/h) |
| 40 mph (64.37 km/h) | 35.25 mph (56.73 km/h) |
| 45 mph (72.42 km/h) | 39.66 mph (63.82 km/h) |
| 50 mph (80.47 km/h) | 44.06 mph (70.91 km/h) |
| 55 mph (88.51 km/h) | 48.47 mph (78 km/h) |
| 60 mph (96.56 km/h) | 52.87 mph (85.09 km/h) |
| 65 mph (104.61 km/h) | 57.28 mph (92.18 km/h) |
| 70 mph (112.65 km/h) | 61.69 mph (99.28 km/h) |
| 75 mph (120.7 km/h) | 66.09 mph (106.37 km/h) |
| 80 mph (128.75 km/h) | 70.5 mph (113.46 km/h) |
| 85 mph (136.79 km/h) | 74.91 mph (120.55 km/h) |
| 90 mph (144.84 km/h) | 79.31 mph (127.64 km/h) |
| 95 mph (152.89 km/h) | 83.72 mph (134.73 km/h) |
| 100 mph (160.93 km/h) | 88.12 mph (141.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2267 | 2633 | 2836 | 2961 | 3096 | 3193 | 3299 | 3424 | 3598 | 3772 | 3964 | 4119 | 4399 | 4707 | 4948 | 5103 | 5189 | 5508 | 5952 | 6916 |
Better Fuel Economy Factory Ratios Increased Power
