Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/65-15 | 175/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.96 (608.5) | 22.58 (573.5) | -1.38 (-35) -5.8% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 75.26 (1911.66) | 70.93 (1801.7) | -4.33 (-109.96) -5.8% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 3.79 (96.25) | -0.69 (-17.5) -15.4% |
| Revolutions per mile (km) | 841.86 (523.1) | 893.23 (555.03) | 51.38 (31.92) 6.1% |
175/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.85 mph (30.34 km/h) |
| 25 mph (40.23 km/h) | 23.56 mph (37.92 km/h) |
| 30 mph (48.28 km/h) | 28.27 mph (45.5 km/h) |
| 35 mph (56.33 km/h) | 32.99 mph (53.09 km/h) |
| 40 mph (64.37 km/h) | 37.7 mph (60.67 km/h) |
| 45 mph (72.42 km/h) | 42.41 mph (68.26 km/h) |
| 50 mph (80.47 km/h) | 47.12 mph (75.84 km/h) |
| 55 mph (88.51 km/h) | 51.84 mph (83.42 km/h) |
| 60 mph (96.56 km/h) | 56.55 mph (91.01 km/h) |
| 65 mph (104.61 km/h) | 61.26 mph (98.59 km/h) |
| 70 mph (112.65 km/h) | 65.97 mph (106.17 km/h) |
| 75 mph (120.7 km/h) | 70.69 mph (113.76 km/h) |
| 80 mph (128.75 km/h) | 75.4 mph (121.34 km/h) |
| 85 mph (136.79 km/h) | 80.11 mph (128.93 km/h) |
| 90 mph (144.84 km/h) | 84.82 mph (136.51 km/h) |
| 95 mph (152.89 km/h) | 89.54 mph (144.09 km/h) |
| 100 mph (160.93 km/h) | 94.25 mph (151.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2273 | 2641 | 2844 | 2970 | 3105 | 3202 | 3308 | 3434 | 3608 | 3782 | 3976 | 4130 | 4411 | 4720 | 4962 | 5117 | 5204 | 5523 | 5968 | 6935 |
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