Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/55-16 | 145/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.28 (565.9) | 23.42 (594.9) | 1.14 (29) 5.1% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 69.99 (1777.83) | 73.58 (1868.93) | 3.59 (91.11) 5.1% |
| Sidewall Height inches (mm) | 3.14 (79.75) | 3.71 (94.25) | 0.57 (14.5) 18.2% |
| Revolutions per mile (km) | 905.23 (562.48) | 861.1 (535.06) | -44.13 (-27.42) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.02 mph (33.84 km/h) |
| 25 mph (40.23 km/h) | 26.28 mph (42.3 km/h) |
| 30 mph (48.28 km/h) | 31.54 mph (50.75 km/h) |
| 35 mph (56.33 km/h) | 36.79 mph (59.21 km/h) |
| 40 mph (64.37 km/h) | 42.05 mph (67.67 km/h) |
| 45 mph (72.42 km/h) | 47.31 mph (76.13 km/h) |
| 50 mph (80.47 km/h) | 52.56 mph (84.59 km/h) |
| 55 mph (88.51 km/h) | 57.82 mph (93.05 km/h) |
| 60 mph (96.56 km/h) | 63.07 mph (101.51 km/h) |
| 65 mph (104.61 km/h) | 68.33 mph (109.97 km/h) |
| 70 mph (112.65 km/h) | 73.59 mph (118.43 km/h) |
| 75 mph (120.7 km/h) | 78.84 mph (126.89 km/h) |
| 80 mph (128.75 km/h) | 84.1 mph (135.35 km/h) |
| 85 mph (136.79 km/h) | 89.36 mph (143.8 km/h) |
| 90 mph (144.84 km/h) | 94.61 mph (152.26 km/h) |
| 95 mph (152.89 km/h) | 99.87 mph (160.72 km/h) |
| 100 mph (160.93 km/h) | 105.12 mph (169.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2191 | 2546 | 2742 | 2863 | 2993 | 3087 | 3189 | 3310 | 3478 | 3646 | 3833 | 3982 | 4252 | 4551 | 4784 | 4933 | 5017 | 5324 | 5753 | 6686 |
Better Fuel Economy Factory Ratios Increased Power
