Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/70-13 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.2 (589.2) | 22.65 (575.2) | -0.55 (-14) -2.4% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 72.88 (1851.03) | 71.14 (1807.04) | -1.73 (-43.98) -2.4% |
| Sidewall Height inches (mm) | 5.1 (129.5) | 4.82 (122.5) | -0.28 (-7) -5.4% |
| Revolutions per mile (km) | 869.43 (540.24) | 890.59 (553.39) | 21.16 (13.15) 2.4% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.52 mph (31.42 km/h) |
| 25 mph (40.23 km/h) | 24.41 mph (39.28 km/h) |
| 30 mph (48.28 km/h) | 29.29 mph (47.13 km/h) |
| 35 mph (56.33 km/h) | 34.17 mph (54.99 km/h) |
| 40 mph (64.37 km/h) | 39.05 mph (62.84 km/h) |
| 45 mph (72.42 km/h) | 43.93 mph (70.7 km/h) |
| 50 mph (80.47 km/h) | 48.81 mph (78.56 km/h) |
| 55 mph (88.51 km/h) | 53.69 mph (86.41 km/h) |
| 60 mph (96.56 km/h) | 58.57 mph (94.27 km/h) |
| 65 mph (104.61 km/h) | 63.46 mph (102.12 km/h) |
| 70 mph (112.65 km/h) | 68.34 mph (109.98 km/h) |
| 75 mph (120.7 km/h) | 73.22 mph (117.83 km/h) |
| 80 mph (128.75 km/h) | 78.1 mph (125.69 km/h) |
| 85 mph (136.79 km/h) | 82.98 mph (133.54 km/h) |
| 90 mph (144.84 km/h) | 87.86 mph (141.4 km/h) |
| 95 mph (152.89 km/h) | 92.74 mph (149.26 km/h) |
| 100 mph (160.93 km/h) | 97.62 mph (157.11 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
