Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-12 | 165/90-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.8 (502.8) | 23.69 (601.8) | 3.9 (99) 19.7% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 62.19 (1579.59) | 74.43 (1890.61) | 12.24 (311.02) 19.7% |
| Sidewall Height inches (mm) | 3.9 (99) | 5.85 (148.5) | 1.95 (49.5) 50% |
| Revolutions per mile (km) | 1018.83 (633.07) | 851.23 (528.93) | -167.6 (-104.14) -16.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.94 mph (38.52 km/h) |
| 25 mph (40.23 km/h) | 29.92 mph (48.16 km/h) |
| 30 mph (48.28 km/h) | 35.91 mph (57.79 km/h) |
| 35 mph (56.33 km/h) | 41.89 mph (67.42 km/h) |
| 40 mph (64.37 km/h) | 47.88 mph (77.05 km/h) |
| 45 mph (72.42 km/h) | 53.86 mph (86.68 km/h) |
| 50 mph (80.47 km/h) | 59.84 mph (96.31 km/h) |
| 55 mph (88.51 km/h) | 65.83 mph (105.94 km/h) |
| 60 mph (96.56 km/h) | 71.81 mph (115.57 km/h) |
| 65 mph (104.61 km/h) | 77.8 mph (125.2 km/h) |
| 70 mph (112.65 km/h) | 83.78 mph (134.84 km/h) |
| 75 mph (120.7 km/h) | 89.77 mph (144.47 km/h) |
| 80 mph (128.75 km/h) | 95.75 mph (154.1 km/h) |
| 85 mph (136.79 km/h) | 101.74 mph (163.73 km/h) |
| 90 mph (144.84 km/h) | 107.72 mph (173.36 km/h) |
| 95 mph (152.89 km/h) | 113.71 mph (182.99 km/h) |
| 100 mph (160.93 km/h) | 119.69 mph (192.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2166 | 2516 | 2710 | 2830 | 2959 | 3051 | 3153 | 3272 | 3438 | 3604 | 3789 | 3936 | 4203 | 4498 | 4729 | 4876 | 4959 | 5263 | 5687 | 6609 |
Better Fuel Economy Factory Ratios Increased Power
