Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-19 | 195/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.13 (714.6) | 28.44 (722.5) | 0.31 (7.9) 1.1% |
| Width inches (mm) | 5.71 (145) | 7.68 (195) | 1.97 (50) 34.5% |
| Circum. inches (mm) | 88.39 (2244.98) | 89.36 (2269.8) | 0.98 (24.82) 1.1% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.22 (107.25) | -0.34 (-8.75) -7.5% |
| Revolutions per mile (km) | 716.86 (445.44) | 709.02 (440.57) | -7.84 (-4.87) -1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.22 mph (32.54 km/h) |
| 25 mph (40.23 km/h) | 25.28 mph (40.68 km/h) |
| 30 mph (48.28 km/h) | 30.33 mph (48.81 km/h) |
| 35 mph (56.33 km/h) | 35.39 mph (56.95 km/h) |
| 40 mph (64.37 km/h) | 40.44 mph (65.09 km/h) |
| 45 mph (72.42 km/h) | 45.5 mph (73.22 km/h) |
| 50 mph (80.47 km/h) | 50.55 mph (81.36 km/h) |
| 55 mph (88.51 km/h) | 55.61 mph (89.49 km/h) |
| 60 mph (96.56 km/h) | 60.66 mph (97.63 km/h) |
| 65 mph (104.61 km/h) | 65.72 mph (105.76 km/h) |
| 70 mph (112.65 km/h) | 70.77 mph (113.9 km/h) |
| 75 mph (120.7 km/h) | 75.83 mph (122.04 km/h) |
| 80 mph (128.75 km/h) | 80.88 mph (130.17 km/h) |
| 85 mph (136.79 km/h) | 85.94 mph (138.31 km/h) |
| 90 mph (144.84 km/h) | 90.99 mph (146.44 km/h) |
| 95 mph (152.89 km/h) | 96.05 mph (154.58 km/h) |
| 100 mph (160.93 km/h) | 101.11 mph (162.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1804 | 2096 | 2257 | 2357 | 2465 | 2541 | 2626 | 2726 | 2864 | 3002 | 3156 | 3279 | 3501 | 3747 | 3939 | 4062 | 4131 | 4384 | 4737 | 5505 |
Better Fuel Economy Factory Ratios Increased Power
