Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-14 | 225/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.74 (603.1) | 24.74 (628.5) | 1 (25.4) 4.2% |
| Width inches (mm) | 6.5 (165) | 8.86 (225) | 2.36 (60) 36.4% |
| Circum. inches (mm) | 74.59 (1894.69) | 77.74 (1974.49) | 3.14 (79.8) 4.2% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.87 (123.75) | 0 (0) 0% |
| Revolutions per mile (km) | 849.39 (527.79) | 815.07 (506.46) | -34.33 (-21.33) -4% |
225/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.54 km/h) |
| 25 mph (40.23 km/h) | 26.05 mph (41.93 km/h) |
| 30 mph (48.28 km/h) | 31.26 mph (50.31 km/h) |
| 35 mph (56.33 km/h) | 36.47 mph (58.7 km/h) |
| 40 mph (64.37 km/h) | 41.68 mph (67.09 km/h) |
| 45 mph (72.42 km/h) | 46.9 mph (75.47 km/h) |
| 50 mph (80.47 km/h) | 52.11 mph (83.86 km/h) |
| 55 mph (88.51 km/h) | 57.32 mph (92.24 km/h) |
| 60 mph (96.56 km/h) | 62.53 mph (100.63 km/h) |
| 65 mph (104.61 km/h) | 67.74 mph (109.01 km/h) |
| 70 mph (112.65 km/h) | 72.95 mph (117.4 km/h) |
| 75 mph (120.7 km/h) | 78.16 mph (125.78 km/h) |
| 80 mph (128.75 km/h) | 83.37 mph (134.17 km/h) |
| 85 mph (136.79 km/h) | 88.58 mph (142.56 km/h) |
| 90 mph (144.84 km/h) | 93.79 mph (150.94 km/h) |
| 95 mph (152.89 km/h) | 99 mph (159.33 km/h) |
| 100 mph (160.93 km/h) | 104.21 mph (167.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2074 | 2410 | 2595 | 2710 | 2833 | 2922 | 3019 | 3133 | 3292 | 3451 | 3628 | 3769 | 4025 | 4307 | 4528 | 4669 | 4749 | 5040 | 5446 | 6328 |
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