Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-12 | 215/35-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.15 (486.3) | 17.93 (455.3) | -1.22 (-31) -6.4% |
| Width inches (mm) | 6.5 (165) | 8.46 (215) | 1.97 (50) 30.3% |
| Circum. inches (mm) | 60.15 (1527.76) | 56.31 (1430.37) | -3.83 (-97.39) -6.4% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 2.96 (75.25) | -0.61 (-15.5) -17.1% |
| Revolutions per mile (km) | 1053.4 (654.55) | 1125.13 (699.12) | 71.72 (44.57) 6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.73 mph (30.14 km/h) |
| 25 mph (40.23 km/h) | 23.41 mph (37.67 km/h) |
| 30 mph (48.28 km/h) | 28.09 mph (45.2 km/h) |
| 35 mph (56.33 km/h) | 32.77 mph (52.74 km/h) |
| 40 mph (64.37 km/h) | 37.45 mph (60.27 km/h) |
| 45 mph (72.42 km/h) | 42.13 mph (67.8 km/h) |
| 50 mph (80.47 km/h) | 46.81 mph (75.34 km/h) |
| 55 mph (88.51 km/h) | 51.49 mph (82.87 km/h) |
| 60 mph (96.56 km/h) | 56.18 mph (90.41 km/h) |
| 65 mph (104.61 km/h) | 60.86 mph (97.94 km/h) |
| 70 mph (112.65 km/h) | 65.54 mph (105.47 km/h) |
| 75 mph (120.7 km/h) | 70.22 mph (113.01 km/h) |
| 80 mph (128.75 km/h) | 74.9 mph (120.54 km/h) |
| 85 mph (136.79 km/h) | 79.58 mph (128.07 km/h) |
| 90 mph (144.84 km/h) | 84.26 mph (135.61 km/h) |
| 95 mph (152.89 km/h) | 88.94 mph (143.14 km/h) |
| 100 mph (160.93 km/h) | 93.63 mph (150.68 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
