Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-13 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.34 (618.2) | 22.65 (575.2) | -1.69 (-43) -7% |
| Width inches (mm) | 7.09 (180) | 6.89 (175) | -0.2 (-5) -2.8% |
| Circum. inches (mm) | 76.46 (1942.13) | 71.14 (1807.04) | -5.32 (-135.09) -7% |
| Sidewall Height inches (mm) | 5.67 (144) | 4.82 (122.5) | -0.85 (-21.5) -14.9% |
| Revolutions per mile (km) | 828.65 (514.9) | 890.59 (553.39) | 61.95 (38.49) 7.5% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.61 mph (29.95 km/h) |
| 25 mph (40.23 km/h) | 23.26 mph (37.44 km/h) |
| 30 mph (48.28 km/h) | 27.91 mph (44.92 km/h) |
| 35 mph (56.33 km/h) | 32.57 mph (52.41 km/h) |
| 40 mph (64.37 km/h) | 37.22 mph (59.9 km/h) |
| 45 mph (72.42 km/h) | 41.87 mph (67.38 km/h) |
| 50 mph (80.47 km/h) | 46.52 mph (74.87 km/h) |
| 55 mph (88.51 km/h) | 51.17 mph (82.36 km/h) |
| 60 mph (96.56 km/h) | 55.83 mph (89.84 km/h) |
| 65 mph (104.61 km/h) | 60.48 mph (97.33 km/h) |
| 70 mph (112.65 km/h) | 65.13 mph (104.82 km/h) |
| 75 mph (120.7 km/h) | 69.78 mph (112.31 km/h) |
| 80 mph (128.75 km/h) | 74.44 mph (119.79 km/h) |
| 85 mph (136.79 km/h) | 79.09 mph (127.28 km/h) |
| 90 mph (144.84 km/h) | 83.74 mph (134.77 km/h) |
| 95 mph (152.89 km/h) | 88.39 mph (142.25 km/h) |
| 100 mph (160.93 km/h) | 93.04 mph (149.74 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 |
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