Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-13 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.71 (627.7) | 22.65 (575.2) | -2.07 (-52.5) -8.4% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 77.64 (1971.98) | 71.14 (1807.04) | -6.49 (-164.93) -8.4% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 4.82 (122.5) | -1.03 (-26.25) -17.6% |
| Revolutions per mile (km) | 816.11 (507.1) | 890.59 (553.39) | 74.49 (46.28) 9.1% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.33 mph (29.49 km/h) |
| 25 mph (40.23 km/h) | 22.91 mph (36.87 km/h) |
| 30 mph (48.28 km/h) | 27.49 mph (44.24 km/h) |
| 35 mph (56.33 km/h) | 32.07 mph (51.62 km/h) |
| 40 mph (64.37 km/h) | 36.65 mph (58.99 km/h) |
| 45 mph (72.42 km/h) | 41.24 mph (66.36 km/h) |
| 50 mph (80.47 km/h) | 45.82 mph (73.74 km/h) |
| 55 mph (88.51 km/h) | 50.4 mph (81.11 km/h) |
| 60 mph (96.56 km/h) | 54.98 mph (88.48 km/h) |
| 65 mph (104.61 km/h) | 59.56 mph (95.86 km/h) |
| 70 mph (112.65 km/h) | 64.15 mph (103.23 km/h) |
| 75 mph (120.7 km/h) | 68.73 mph (110.61 km/h) |
| 80 mph (128.75 km/h) | 73.31 mph (117.98 km/h) |
| 85 mph (136.79 km/h) | 77.89 mph (125.35 km/h) |
| 90 mph (144.84 km/h) | 82.47 mph (132.73 km/h) |
| 95 mph (152.89 km/h) | 87.05 mph (140.1 km/h) |
| 100 mph (160.93 km/h) | 91.64 mph (147.47 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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