Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-15 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.85 (555) | 22.65 (575.2) | 0.8 (20.2) 3.6% |
| Width inches (mm) | 5.71 (145) | 6.89 (175) | 1.18 (30) 20.7% |
| Circum. inches (mm) | 68.65 (1743.58) | 71.14 (1807.04) | 2.5 (63.46) 3.6% |
| Sidewall Height inches (mm) | 3.43 (87) | 4.82 (122.5) | 1.4 (35.5) 40.8% |
| Revolutions per mile (km) | 923.01 (573.53) | 890.59 (553.39) | -32.41 (-20.14) -3.5% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.73 mph (33.36 km/h) |
| 25 mph (40.23 km/h) | 25.91 mph (41.7 km/h) |
| 30 mph (48.28 km/h) | 31.09 mph (50.04 km/h) |
| 35 mph (56.33 km/h) | 36.27 mph (58.38 km/h) |
| 40 mph (64.37 km/h) | 41.46 mph (66.72 km/h) |
| 45 mph (72.42 km/h) | 46.64 mph (75.06 km/h) |
| 50 mph (80.47 km/h) | 51.82 mph (83.4 km/h) |
| 55 mph (88.51 km/h) | 57 mph (91.74 km/h) |
| 60 mph (96.56 km/h) | 62.18 mph (100.08 km/h) |
| 65 mph (104.61 km/h) | 67.37 mph (108.41 km/h) |
| 70 mph (112.65 km/h) | 72.55 mph (116.75 km/h) |
| 75 mph (120.7 km/h) | 77.73 mph (125.09 km/h) |
| 80 mph (128.75 km/h) | 82.91 mph (133.43 km/h) |
| 85 mph (136.79 km/h) | 88.09 mph (141.77 km/h) |
| 90 mph (144.84 km/h) | 93.28 mph (150.11 km/h) |
| 95 mph (152.89 km/h) | 98.46 mph (158.45 km/h) |
| 100 mph (160.93 km/h) | 103.64 mph (166.79 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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