Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-13 | 165/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.85 (504.2) | 22.09 (561.2) | 2.24 (57) 11.3% |
| Width inches (mm) | 5.71 (145) | 6.5 (165) | 0.79 (20) 13.8% |
| Circum. inches (mm) | 62.36 (1583.99) | 69.41 (1763.06) | 7.05 (179.07) 11.3% |
| Sidewall Height inches (mm) | 3.43 (87) | 4.55 (115.5) | 1.12 (28.5) 32.8% |
| Revolutions per mile (km) | 1016.01 (631.32) | 912.81 (567.19) | -103.19 (-64.12) -10.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.26 mph (35.83 km/h) |
| 25 mph (40.23 km/h) | 27.83 mph (44.78 km/h) |
| 30 mph (48.28 km/h) | 33.39 mph (53.74 km/h) |
| 35 mph (56.33 km/h) | 38.96 mph (62.69 km/h) |
| 40 mph (64.37 km/h) | 44.52 mph (71.65 km/h) |
| 45 mph (72.42 km/h) | 50.09 mph (80.61 km/h) |
| 50 mph (80.47 km/h) | 55.65 mph (89.56 km/h) |
| 55 mph (88.51 km/h) | 61.22 mph (98.52 km/h) |
| 60 mph (96.56 km/h) | 66.78 mph (107.48 km/h) |
| 65 mph (104.61 km/h) | 72.35 mph (116.43 km/h) |
| 70 mph (112.65 km/h) | 77.91 mph (125.39 km/h) |
| 75 mph (120.7 km/h) | 83.48 mph (134.35 km/h) |
| 80 mph (128.75 km/h) | 89.04 mph (143.3 km/h) |
| 85 mph (136.79 km/h) | 94.61 mph (152.26 km/h) |
| 90 mph (144.84 km/h) | 100.17 mph (161.22 km/h) |
| 95 mph (152.89 km/h) | 105.74 mph (170.17 km/h) |
| 100 mph (160.93 km/h) | 111.31 mph (179.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2323 | 2699 | 2906 | 3035 | 3173 | 3272 | 3381 | 3509 | 3687 | 3865 | 4063 | 4221 | 4507 | 4824 | 5071 | 5229 | 5318 | 5644 | 6099 | 7087 |
Better Fuel Economy Factory Ratios Increased Power
