Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-12 | 110/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.15 (486.3) | 18.06 (458.8) | -1.08 (-27.5) -5.7% |
| Width inches (mm) | 6.5 (165) | 4.33 (110) | -2.17 (-55) -33.3% |
| Circum. inches (mm) | 60.15 (1527.76) | 56.75 (1441.36) | -3.4 (-86.39) -5.7% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 3.03 (77) | -0.54 (-13.75) -15.2% |
| Revolutions per mile (km) | 1053.4 (654.55) | 1116.54 (693.79) | 63.14 (39.23) 6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.87 mph (30.37 km/h) |
| 25 mph (40.23 km/h) | 23.59 mph (37.96 km/h) |
| 30 mph (48.28 km/h) | 28.3 mph (45.55 km/h) |
| 35 mph (56.33 km/h) | 33.02 mph (53.14 km/h) |
| 40 mph (64.37 km/h) | 37.74 mph (60.73 km/h) |
| 45 mph (72.42 km/h) | 42.46 mph (68.33 km/h) |
| 50 mph (80.47 km/h) | 47.17 mph (75.92 km/h) |
| 55 mph (88.51 km/h) | 51.89 mph (83.51 km/h) |
| 60 mph (96.56 km/h) | 56.61 mph (91.1 km/h) |
| 65 mph (104.61 km/h) | 61.32 mph (98.69 km/h) |
| 70 mph (112.65 km/h) | 66.04 mph (106.28 km/h) |
| 75 mph (120.7 km/h) | 70.76 mph (113.88 km/h) |
| 80 mph (128.75 km/h) | 75.48 mph (121.47 km/h) |
| 85 mph (136.79 km/h) | 80.19 mph (129.06 km/h) |
| 90 mph (144.84 km/h) | 84.91 mph (136.65 km/h) |
| 95 mph (152.89 km/h) | 89.63 mph (144.24 km/h) |
| 100 mph (160.93 km/h) | 94.35 mph (151.83 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
