Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 175/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 23.58 (598.9) | -0.89 (-22.6) -3.6% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 76.87 (1952.5) | 74.07 (1881.5) | -2.8 (-71) -3.6% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 3.79 (96.25) | -0.94 (-24) -20% |
| Revolutions per mile (km) | 824.25 (512.16) | 855.35 (531.49) | 31.1 (19.33) 3.8% |
175/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.27 mph (31.02 km/h) |
| 25 mph (40.23 km/h) | 24.09 mph (38.77 km/h) |
| 30 mph (48.28 km/h) | 28.91 mph (46.52 km/h) |
| 35 mph (56.33 km/h) | 33.73 mph (54.28 km/h) |
| 40 mph (64.37 km/h) | 38.55 mph (62.03 km/h) |
| 45 mph (72.42 km/h) | 43.36 mph (69.79 km/h) |
| 50 mph (80.47 km/h) | 48.18 mph (77.54 km/h) |
| 55 mph (88.51 km/h) | 53 mph (85.3 km/h) |
| 60 mph (96.56 km/h) | 57.82 mph (93.05 km/h) |
| 65 mph (104.61 km/h) | 62.64 mph (100.8 km/h) |
| 70 mph (112.65 km/h) | 67.45 mph (108.56 km/h) |
| 75 mph (120.7 km/h) | 72.27 mph (116.31 km/h) |
| 80 mph (128.75 km/h) | 77.09 mph (124.07 km/h) |
| 85 mph (136.79 km/h) | 81.91 mph (131.82 km/h) |
| 90 mph (144.84 km/h) | 86.73 mph (139.57 km/h) |
| 95 mph (152.89 km/h) | 91.55 mph (147.33 km/h) |
| 100 mph (160.93 km/h) | 96.36 mph (155.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2177 | 2529 | 2723 | 2844 | 2973 | 3066 | 3168 | 3288 | 3455 | 3622 | 3807 | 3955 | 4224 | 4520 | 4752 | 4900 | 4983 | 5289 | 5715 | 6641 |
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