Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-12 | 165/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.15 (486.3) | 21.09 (535.8) | 1.95 (49.5) 10.2% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 60.15 (1527.76) | 66.27 (1683.27) | 6.12 (155.51) 10.2% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 4.55 (115.5) | 0.97 (24.75) 27.3% |
| Revolutions per mile (km) | 1053.4 (654.55) | 956.08 (594.08) | -97.32 (-60.47) -9.2% |
165/70-12 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.04 mph (35.46 km/h) |
| 25 mph (40.23 km/h) | 27.54 mph (44.33 km/h) |
| 30 mph (48.28 km/h) | 33.05 mph (53.19 km/h) |
| 35 mph (56.33 km/h) | 38.56 mph (62.06 km/h) |
| 40 mph (64.37 km/h) | 44.07 mph (70.93 km/h) |
| 45 mph (72.42 km/h) | 49.58 mph (79.79 km/h) |
| 50 mph (80.47 km/h) | 55.09 mph (88.66 km/h) |
| 55 mph (88.51 km/h) | 60.6 mph (97.52 km/h) |
| 60 mph (96.56 km/h) | 66.11 mph (106.39 km/h) |
| 65 mph (104.61 km/h) | 71.62 mph (115.26 km/h) |
| 70 mph (112.65 km/h) | 77.13 mph (124.12 km/h) |
| 75 mph (120.7 km/h) | 82.63 mph (132.99 km/h) |
| 80 mph (128.75 km/h) | 88.14 mph (141.85 km/h) |
| 85 mph (136.79 km/h) | 93.65 mph (150.72 km/h) |
| 90 mph (144.84 km/h) | 99.16 mph (159.58 km/h) |
| 95 mph (152.89 km/h) | 104.67 mph (168.45 km/h) |
| 100 mph (160.93 km/h) | 110.18 mph (177.32 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
