Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/45-15 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.5) | 22.65 (575.2) | 1.44 (36.7) 6.8% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 66.6 (1691.75) | 71.14 (1807.04) | 4.54 (115.3) 6.8% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 4.82 (122.5) | 1.72 (43.75) 55.6% |
| Revolutions per mile (km) | 951.29 (591.1) | 890.59 (553.39) | -60.7 (-37.71) -6.4% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.36 mph (34.38 km/h) |
| 25 mph (40.23 km/h) | 26.7 mph (42.98 km/h) |
| 30 mph (48.28 km/h) | 32.04 mph (51.57 km/h) |
| 35 mph (56.33 km/h) | 37.39 mph (60.17 km/h) |
| 40 mph (64.37 km/h) | 42.73 mph (68.76 km/h) |
| 45 mph (72.42 km/h) | 48.07 mph (77.36 km/h) |
| 50 mph (80.47 km/h) | 53.41 mph (85.95 km/h) |
| 55 mph (88.51 km/h) | 58.75 mph (94.55 km/h) |
| 60 mph (96.56 km/h) | 64.09 mph (103.14 km/h) |
| 65 mph (104.61 km/h) | 69.43 mph (111.74 km/h) |
| 70 mph (112.65 km/h) | 74.77 mph (120.33 km/h) |
| 75 mph (120.7 km/h) | 80.11 mph (128.93 km/h) |
| 80 mph (128.75 km/h) | 85.45 mph (137.52 km/h) |
| 85 mph (136.79 km/h) | 90.79 mph (146.12 km/h) |
| 90 mph (144.84 km/h) | 96.13 mph (154.71 km/h) |
| 95 mph (152.89 km/h) | 101.47 mph (163.31 km/h) |
| 100 mph (160.93 km/h) | 106.82 mph (171.9 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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