Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/70-12 | 165/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.65 (549.8) | 22.09 (561.2) | 0.45 (11.4) 2.1% |
| Width inches (mm) | 6.89 (175) | 6.5 (165) | -0.39 (-10) -5.7% |
| Circum. inches (mm) | 68 (1727.25) | 69.41 (1763.06) | 1.41 (35.81) 2.1% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 4.55 (115.5) | -0.28 (-7) -5.7% |
| Revolutions per mile (km) | 931.74 (578.95) | 912.81 (567.19) | -18.93 (-11.76) -2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.41 mph (32.85 km/h) |
| 25 mph (40.23 km/h) | 25.52 mph (41.07 km/h) |
| 30 mph (48.28 km/h) | 30.62 mph (49.28 km/h) |
| 35 mph (56.33 km/h) | 35.73 mph (57.5 km/h) |
| 40 mph (64.37 km/h) | 40.83 mph (65.71 km/h) |
| 45 mph (72.42 km/h) | 45.93 mph (73.92 km/h) |
| 50 mph (80.47 km/h) | 51.04 mph (82.14 km/h) |
| 55 mph (88.51 km/h) | 56.14 mph (90.35 km/h) |
| 60 mph (96.56 km/h) | 61.24 mph (98.56 km/h) |
| 65 mph (104.61 km/h) | 66.35 mph (106.78 km/h) |
| 70 mph (112.65 km/h) | 71.45 mph (114.99 km/h) |
| 75 mph (120.7 km/h) | 76.56 mph (123.2 km/h) |
| 80 mph (128.75 km/h) | 81.66 mph (131.42 km/h) |
| 85 mph (136.79 km/h) | 86.76 mph (139.63 km/h) |
| 90 mph (144.84 km/h) | 91.87 mph (147.84 km/h) |
| 95 mph (152.89 km/h) | 96.97 mph (156.06 km/h) |
| 100 mph (160.93 km/h) | 102.07 mph (164.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2323 | 2699 | 2906 | 3035 | 3173 | 3272 | 3381 | 3509 | 3687 | 3865 | 4063 | 4221 | 4507 | 4824 | 5071 | 5229 | 5318 | 5644 | 6099 | 7087 |
Better Fuel Economy Factory Ratios Increased Power
