Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-13 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.65 (626.2) | 22.65 (575.2) | -2.01 (-51) -8.1% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 77.45 (1967.27) | 71.14 (1807.04) | -6.31 (-160.22) -8.1% |
| Sidewall Height inches (mm) | 5.83 (148) | 4.82 (122.5) | -1 (-25.5) -17.2% |
| Revolutions per mile (km) | 818.06 (508.32) | 890.59 (553.39) | 72.53 (45.07) 8.9% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.37 mph (29.57 km/h) |
| 25 mph (40.23 km/h) | 22.96 mph (36.96 km/h) |
| 30 mph (48.28 km/h) | 27.56 mph (44.35 km/h) |
| 35 mph (56.33 km/h) | 32.15 mph (51.74 km/h) |
| 40 mph (64.37 km/h) | 36.74 mph (59.13 km/h) |
| 45 mph (72.42 km/h) | 41.34 mph (66.52 km/h) |
| 50 mph (80.47 km/h) | 45.93 mph (73.91 km/h) |
| 55 mph (88.51 km/h) | 50.52 mph (81.31 km/h) |
| 60 mph (96.56 km/h) | 55.11 mph (88.7 km/h) |
| 65 mph (104.61 km/h) | 59.71 mph (96.09 km/h) |
| 70 mph (112.65 km/h) | 64.3 mph (103.48 km/h) |
| 75 mph (120.7 km/h) | 68.89 mph (110.87 km/h) |
| 80 mph (128.75 km/h) | 73.48 mph (118.26 km/h) |
| 85 mph (136.79 km/h) | 78.08 mph (125.65 km/h) |
| 90 mph (144.84 km/h) | 82.67 mph (133.04 km/h) |
| 95 mph (152.89 km/h) | 87.26 mph (140.44 km/h) |
| 100 mph (160.93 km/h) | 91.86 mph (147.83 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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