Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 205/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 25.49 (647.5) | 1.02 (26) 4.2% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 76.87 (1952.5) | 80.09 (2034.18) | 3.22 (81.68) 4.2% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 5.25 (133.25) | 0.51 (13) 10.8% |
| Revolutions per mile (km) | 824.25 (512.16) | 791.15 (491.6) | -33.1 (-20.57) -4% |
205/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.53 km/h) |
| 25 mph (40.23 km/h) | 26.05 mph (41.92 km/h) |
| 30 mph (48.28 km/h) | 31.26 mph (50.3 km/h) |
| 35 mph (56.33 km/h) | 36.46 mph (58.68 km/h) |
| 40 mph (64.37 km/h) | 41.67 mph (67.07 km/h) |
| 45 mph (72.42 km/h) | 46.88 mph (75.45 km/h) |
| 50 mph (80.47 km/h) | 52.09 mph (83.83 km/h) |
| 55 mph (88.51 km/h) | 57.3 mph (92.22 km/h) |
| 60 mph (96.56 km/h) | 62.51 mph (100.6 km/h) |
| 65 mph (104.61 km/h) | 67.72 mph (108.98 km/h) |
| 70 mph (112.65 km/h) | 72.93 mph (117.37 km/h) |
| 75 mph (120.7 km/h) | 78.14 mph (125.75 km/h) |
| 80 mph (128.75 km/h) | 83.35 mph (134.13 km/h) |
| 85 mph (136.79 km/h) | 88.56 mph (142.52 km/h) |
| 90 mph (144.84 km/h) | 93.77 mph (150.9 km/h) |
| 95 mph (152.89 km/h) | 98.97 mph (159.28 km/h) |
| 100 mph (160.93 km/h) | 104.18 mph (167.67 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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