Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 23.96 (608.5) | 1.38 (35) 6.1% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 70.93 (1801.7) | 75.26 (1911.66) | 4.33 (109.96) 6.1% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 4.48 (113.75) | 0.69 (17.5) 18.2% |
| Revolutions per mile (km) | 893.23 (555.03) | 841.86 (523.1) | -51.38 (-31.92) -5.8% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.22 mph (34.15 km/h) |
| 25 mph (40.23 km/h) | 26.53 mph (42.69 km/h) |
| 30 mph (48.28 km/h) | 31.83 mph (51.23 km/h) |
| 35 mph (56.33 km/h) | 37.14 mph (59.76 km/h) |
| 40 mph (64.37 km/h) | 42.44 mph (68.3 km/h) |
| 45 mph (72.42 km/h) | 47.75 mph (76.84 km/h) |
| 50 mph (80.47 km/h) | 53.05 mph (85.38 km/h) |
| 55 mph (88.51 km/h) | 58.36 mph (93.92 km/h) |
| 60 mph (96.56 km/h) | 63.66 mph (102.45 km/h) |
| 65 mph (104.61 km/h) | 68.97 mph (110.99 km/h) |
| 70 mph (112.65 km/h) | 74.27 mph (119.53 km/h) |
| 75 mph (120.7 km/h) | 79.58 mph (128.07 km/h) |
| 80 mph (128.75 km/h) | 84.88 mph (136.61 km/h) |
| 85 mph (136.79 km/h) | 90.19 mph (145.14 km/h) |
| 90 mph (144.84 km/h) | 95.49 mph (153.68 km/h) |
| 95 mph (152.89 km/h) | 100.8 mph (162.22 km/h) |
| 100 mph (160.93 km/h) | 106.1 mph (170.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2142 | 2489 | 2680 | 2799 | 2926 | 3018 | 3118 | 3236 | 3400 | 3565 | 3747 | 3893 | 4157 | 4449 | 4677 | 4823 | 4905 | 5205 | 5625 | 6536 |
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