Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-19 | 205/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.13 (714.6) | 27.88 (708.1) | -0.26 (-6.5) -0.9% |
| Width inches (mm) | 5.71 (145) | 8.07 (205) | 2.36 (60) 41.4% |
| Circum. inches (mm) | 88.39 (2244.98) | 87.58 (2224.56) | -0.8 (-20.42) -0.9% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.44 (112.75) | -0.13 (-3.25) -2.8% |
| Revolutions per mile (km) | 716.86 (445.44) | 723.44 (449.53) | 6.58 (4.09) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.82 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.87 km/h) |
| 30 mph (48.28 km/h) | 29.73 mph (47.84 km/h) |
| 35 mph (56.33 km/h) | 34.68 mph (55.81 km/h) |
| 40 mph (64.37 km/h) | 39.64 mph (63.79 km/h) |
| 45 mph (72.42 km/h) | 44.59 mph (71.76 km/h) |
| 50 mph (80.47 km/h) | 49.55 mph (79.74 km/h) |
| 55 mph (88.51 km/h) | 54.5 mph (87.71 km/h) |
| 60 mph (96.56 km/h) | 59.45 mph (95.68 km/h) |
| 65 mph (104.61 km/h) | 64.41 mph (103.66 km/h) |
| 70 mph (112.65 km/h) | 69.36 mph (111.63 km/h) |
| 75 mph (120.7 km/h) | 74.32 mph (119.6 km/h) |
| 80 mph (128.75 km/h) | 79.27 mph (127.58 km/h) |
| 85 mph (136.79 km/h) | 84.23 mph (135.55 km/h) |
| 90 mph (144.84 km/h) | 89.18 mph (143.52 km/h) |
| 95 mph (152.89 km/h) | 94.14 mph (151.5 km/h) |
| 100 mph (160.93 km/h) | 99.09 mph (159.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1841 | 2139 | 2303 | 2405 | 2515 | 2593 | 2679 | 2781 | 2922 | 3063 | 3220 | 3345 | 3572 | 3823 | 4019 | 4144 | 4215 | 4473 | 4834 | 5617 |
Better Fuel Economy Factory Ratios Increased Power
