Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-20 | 195/75-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 30.52 (775.1) | 3.67 (93.1) 13.7% |
| Width inches (mm) | 5.71 (145) | 7.68 (195) | 1.97 (50) 34.5% |
| Circum. inches (mm) | 84.35 (2142.57) | 95.87 (2435.05) | 11.52 (292.48) 13.7% |
| Sidewall Height inches (mm) | 3.43 (87) | 5.76 (146.25) | 2.33 (59.25) 68.1% |
| Revolutions per mile (km) | 751.13 (466.73) | 660.91 (410.67) | -90.22 (-56.06) -12% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.73 mph (36.58 km/h) |
| 25 mph (40.23 km/h) | 28.41 mph (45.73 km/h) |
| 30 mph (48.28 km/h) | 34.1 mph (54.87 km/h) |
| 35 mph (56.33 km/h) | 39.78 mph (64.02 km/h) |
| 40 mph (64.37 km/h) | 45.46 mph (73.16 km/h) |
| 45 mph (72.42 km/h) | 51.14 mph (82.31 km/h) |
| 50 mph (80.47 km/h) | 56.83 mph (91.45 km/h) |
| 55 mph (88.51 km/h) | 62.51 mph (100.6 km/h) |
| 60 mph (96.56 km/h) | 68.19 mph (109.74 km/h) |
| 65 mph (104.61 km/h) | 73.87 mph (118.89 km/h) |
| 70 mph (112.65 km/h) | 79.56 mph (128.03 km/h) |
| 75 mph (120.7 km/h) | 85.24 mph (137.18 km/h) |
| 80 mph (128.75 km/h) | 90.92 mph (146.32 km/h) |
| 85 mph (136.79 km/h) | 96.6 mph (155.47 km/h) |
| 90 mph (144.84 km/h) | 102.29 mph (164.61 km/h) |
| 95 mph (152.89 km/h) | 107.97 mph (173.76 km/h) |
| 100 mph (160.93 km/h) | 113.65 mph (182.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1682 | 1954 | 2104 | 2197 | 2297 | 2369 | 2448 | 2541 | 2670 | 2798 | 2942 | 3056 | 3264 | 3493 | 3672 | 3786 | 3850 | 4087 | 4416 | 5132 |
Better Fuel Economy Factory Ratios Increased Power
