Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 205/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 25.49 (647.5) | 0.15 (3.9) 0.6% |
| Width inches (mm) | 7.09 (180) | 8.07 (205) | 0.98 (25) 13.9% |
| Circum. inches (mm) | 79.6 (2021.93) | 80.09 (2034.18) | 0.48 (12.25) 0.6% |
| Sidewall Height inches (mm) | 5.67 (144) | 5.25 (133.25) | -0.42 (-10.75) -7.5% |
| Revolutions per mile (km) | 795.94 (494.58) | 791.15 (491.6) | -4.79 (-2.98) -0.6% |
205/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.12 mph (32.38 km/h) |
| 25 mph (40.23 km/h) | 25.15 mph (40.48 km/h) |
| 30 mph (48.28 km/h) | 30.18 mph (48.57 km/h) |
| 35 mph (56.33 km/h) | 35.21 mph (56.67 km/h) |
| 40 mph (64.37 km/h) | 40.24 mph (64.76 km/h) |
| 45 mph (72.42 km/h) | 45.27 mph (72.86 km/h) |
| 50 mph (80.47 km/h) | 50.3 mph (80.95 km/h) |
| 55 mph (88.51 km/h) | 55.33 mph (89.05 km/h) |
| 60 mph (96.56 km/h) | 60.36 mph (97.15 km/h) |
| 65 mph (104.61 km/h) | 65.39 mph (105.24 km/h) |
| 70 mph (112.65 km/h) | 70.42 mph (113.34 km/h) |
| 75 mph (120.7 km/h) | 75.45 mph (121.43 km/h) |
| 80 mph (128.75 km/h) | 80.48 mph (129.53 km/h) |
| 85 mph (136.79 km/h) | 85.52 mph (137.62 km/h) |
| 90 mph (144.84 km/h) | 90.55 mph (145.72 km/h) |
| 95 mph (152.89 km/h) | 95.58 mph (153.81 km/h) |
| 100 mph (160.93 km/h) | 100.61 mph (161.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2339 | 2519 | 2630 | 2750 | 2836 | 2930 | 3041 | 3196 | 3350 | 3521 | 3658 | 3907 | 4181 | 4395 | 4532 | 4609 | 4892 | 5286 | 6143 |
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