Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-12 | 165/65-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.54 (521.8) | 20.44 (519.3) | -0.1 (-2.5) -0.5% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 64.54 (1639.28) | 64.23 (1631.43) | -0.31 (-7.85) -0.5% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.22 (107.25) | -0.05 (-1.25) -1.2% |
| Revolutions per mile (km) | 981.74 (610.02) | 986.46 (612.96) | 4.73 (2.94) 0.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.9 mph (32.03 km/h) |
| 25 mph (40.23 km/h) | 24.88 mph (40.04 km/h) |
| 30 mph (48.28 km/h) | 29.86 mph (48.05 km/h) |
| 35 mph (56.33 km/h) | 34.83 mph (56.06 km/h) |
| 40 mph (64.37 km/h) | 39.81 mph (64.07 km/h) |
| 45 mph (72.42 km/h) | 44.78 mph (72.07 km/h) |
| 50 mph (80.47 km/h) | 49.76 mph (80.08 km/h) |
| 55 mph (88.51 km/h) | 54.74 mph (88.09 km/h) |
| 60 mph (96.56 km/h) | 59.71 mph (96.1 km/h) |
| 65 mph (104.61 km/h) | 64.69 mph (104.11 km/h) |
| 70 mph (112.65 km/h) | 69.66 mph (112.11 km/h) |
| 75 mph (120.7 km/h) | 74.64 mph (120.12 km/h) |
| 80 mph (128.75 km/h) | 79.62 mph (128.13 km/h) |
| 85 mph (136.79 km/h) | 84.59 mph (136.14 km/h) |
| 90 mph (144.84 km/h) | 89.57 mph (144.15 km/h) |
| 95 mph (152.89 km/h) | 94.54 mph (152.16 km/h) |
| 100 mph (160.93 km/h) | 99.52 mph (160.16 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
