Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-12 | 145/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.8 (502.8) | 19.99 (507.8) | 0.2 (5) 1% |
| Width inches (mm) | 6.5 (165) | 5.71 (145) | -0.79 (-20) -12.1% |
| Circum. inches (mm) | 62.19 (1579.59) | 62.81 (1595.3) | 0.62 (15.71) 1% |
| Sidewall Height inches (mm) | 3.9 (99) | 4 (101.5) | 0.1 (2.5) 2.5% |
| Revolutions per mile (km) | 1018.83 (633.07) | 1008.8 (626.84) | -10.03 (-6.23) -1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.2 mph (32.51 km/h) |
| 25 mph (40.23 km/h) | 25.25 mph (40.63 km/h) |
| 30 mph (48.28 km/h) | 30.3 mph (48.76 km/h) |
| 35 mph (56.33 km/h) | 35.35 mph (56.89 km/h) |
| 40 mph (64.37 km/h) | 40.4 mph (65.01 km/h) |
| 45 mph (72.42 km/h) | 45.45 mph (73.14 km/h) |
| 50 mph (80.47 km/h) | 50.5 mph (81.27 km/h) |
| 55 mph (88.51 km/h) | 55.55 mph (89.39 km/h) |
| 60 mph (96.56 km/h) | 60.6 mph (97.52 km/h) |
| 65 mph (104.61 km/h) | 65.65 mph (105.65 km/h) |
| 70 mph (112.65 km/h) | 70.7 mph (113.77 km/h) |
| 75 mph (120.7 km/h) | 75.75 mph (121.9 km/h) |
| 80 mph (128.75 km/h) | 80.8 mph (130.03 km/h) |
| 85 mph (136.79 km/h) | 85.85 mph (138.15 km/h) |
| 90 mph (144.84 km/h) | 90.89 mph (146.28 km/h) |
| 95 mph (152.89 km/h) | 95.94 mph (154.41 km/h) |
| 100 mph (160.93 km/h) | 100.99 mph (162.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
