Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-12 | 155/45-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.8 (502.8) | 17.49 (444.3) | -2.3 (-58.5) -11.6% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 62.19 (1579.59) | 54.95 (1395.81) | -7.24 (-183.78) -11.6% |
| Sidewall Height inches (mm) | 3.9 (99) | 2.75 (69.75) | -1.15 (-29.25) -29.5% |
| Revolutions per mile (km) | 1018.83 (633.07) | 1152.98 (716.43) | 134.15 (83.36) 13.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.67 mph (28.44 km/h) |
| 25 mph (40.23 km/h) | 22.09 mph (35.55 km/h) |
| 30 mph (48.28 km/h) | 26.51 mph (42.66 km/h) |
| 35 mph (56.33 km/h) | 30.93 mph (49.77 km/h) |
| 40 mph (64.37 km/h) | 35.35 mph (56.88 km/h) |
| 45 mph (72.42 km/h) | 39.76 mph (63.99 km/h) |
| 50 mph (80.47 km/h) | 44.18 mph (71.11 km/h) |
| 55 mph (88.51 km/h) | 48.6 mph (78.22 km/h) |
| 60 mph (96.56 km/h) | 53.02 mph (85.33 km/h) |
| 65 mph (104.61 km/h) | 57.44 mph (92.44 km/h) |
| 70 mph (112.65 km/h) | 61.86 mph (99.55 km/h) |
| 75 mph (120.7 km/h) | 66.27 mph (106.66 km/h) |
| 80 mph (128.75 km/h) | 70.69 mph (113.77 km/h) |
| 85 mph (136.79 km/h) | 75.11 mph (120.88 km/h) |
| 90 mph (144.84 km/h) | 79.53 mph (127.99 km/h) |
| 95 mph (152.89 km/h) | 83.95 mph (135.1 km/h) |
| 100 mph (160.93 km/h) | 88.37 mph (142.21 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
