Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/60-15 | 205/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.74 (603) | 23.88 (606.5) | 0.14 (3.5) 0.6% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 74.58 (1894.38) | 75.01 (1905.38) | 0.43 (11) 0.6% |
| Sidewall Height inches (mm) | 4.37 (111) | 4.44 (112.75) | 0.07 (1.75) 1.6% |
| Revolutions per mile (km) | 849.54 (527.88) | 844.63 (524.83) | -4.9 (-3.05) -0.6% |
205/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.12 mph (32.37 km/h) |
| 25 mph (40.23 km/h) | 25.15 mph (40.47 km/h) |
| 30 mph (48.28 km/h) | 30.17 mph (48.56 km/h) |
| 35 mph (56.33 km/h) | 35.2 mph (56.65 km/h) |
| 40 mph (64.37 km/h) | 40.23 mph (64.75 km/h) |
| 45 mph (72.42 km/h) | 45.26 mph (72.84 km/h) |
| 50 mph (80.47 km/h) | 50.29 mph (80.93 km/h) |
| 55 mph (88.51 km/h) | 55.32 mph (89.03 km/h) |
| 60 mph (96.56 km/h) | 60.35 mph (97.12 km/h) |
| 65 mph (104.61 km/h) | 65.38 mph (105.21 km/h) |
| 70 mph (112.65 km/h) | 70.41 mph (113.31 km/h) |
| 75 mph (120.7 km/h) | 75.44 mph (121.4 km/h) |
| 80 mph (128.75 km/h) | 80.46 mph (129.5 km/h) |
| 85 mph (136.79 km/h) | 85.49 mph (137.59 km/h) |
| 90 mph (144.84 km/h) | 90.52 mph (145.68 km/h) |
| 95 mph (152.89 km/h) | 95.55 mph (153.78 km/h) |
| 100 mph (160.93 km/h) | 100.58 mph (161.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2149 | 2497 | 2689 | 2808 | 2936 | 3027 | 3128 | 3247 | 3412 | 3576 | 3759 | 3906 | 4171 | 4463 | 4692 | 4839 | 4921 | 5223 | 5643 | 6558 |
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