Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/60-14 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.74 (577.6) | 22.65 (575.2) | -0.09 (-2.4) -0.4% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 71.44 (1814.58) | 71.14 (1807.04) | -0.3 (-7.54) -0.4% |
| Sidewall Height inches (mm) | 4.37 (111) | 4.82 (122.5) | 0.45 (11.5) 10.4% |
| Revolutions per mile (km) | 886.89 (551.09) | 890.59 (553.39) | 3.7 (2.3) 0.4% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.92 mph (32.05 km/h) |
| 25 mph (40.23 km/h) | 24.9 mph (40.07 km/h) |
| 30 mph (48.28 km/h) | 29.88 mph (48.08 km/h) |
| 35 mph (56.33 km/h) | 34.85 mph (56.09 km/h) |
| 40 mph (64.37 km/h) | 39.83 mph (64.11 km/h) |
| 45 mph (72.42 km/h) | 44.81 mph (72.12 km/h) |
| 50 mph (80.47 km/h) | 49.79 mph (80.13 km/h) |
| 55 mph (88.51 km/h) | 54.77 mph (88.15 km/h) |
| 60 mph (96.56 km/h) | 59.75 mph (96.16 km/h) |
| 65 mph (104.61 km/h) | 64.73 mph (104.17 km/h) |
| 70 mph (112.65 km/h) | 69.71 mph (112.19 km/h) |
| 75 mph (120.7 km/h) | 74.69 mph (120.2 km/h) |
| 80 mph (128.75 km/h) | 79.67 mph (128.21 km/h) |
| 85 mph (136.79 km/h) | 84.65 mph (136.23 km/h) |
| 90 mph (144.84 km/h) | 89.63 mph (144.24 km/h) |
| 95 mph (152.89 km/h) | 94.61 mph (152.25 km/h) |
| 100 mph (160.93 km/h) | 99.58 mph (160.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2266 | 2633 | 2835 | 2961 | 3096 | 3192 | 3298 | 3424 | 3597 | 3771 | 3964 | 4118 | 4398 | 4706 | 4947 | 5102 | 5189 | 5507 | 5950 | 6915 |
Better Fuel Economy Factory Ratios Increased Power
