Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/60-15 | 205/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.74 (603) | 25.49 (647.5) | 1.75 (44.5) 7.4% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 74.58 (1894.38) | 80.09 (2034.18) | 5.5 (139.8) 7.4% |
| Sidewall Height inches (mm) | 4.37 (111) | 5.25 (133.25) | 0.88 (22.25) 20% |
| Revolutions per mile (km) | 849.54 (527.88) | 791.15 (491.6) | -58.39 (-36.28) -6.9% |
205/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.48 mph (34.56 km/h) |
| 25 mph (40.23 km/h) | 26.84 mph (43.2 km/h) |
| 30 mph (48.28 km/h) | 32.21 mph (51.84 km/h) |
| 35 mph (56.33 km/h) | 37.58 mph (60.48 km/h) |
| 40 mph (64.37 km/h) | 42.95 mph (69.12 km/h) |
| 45 mph (72.42 km/h) | 48.32 mph (77.77 km/h) |
| 50 mph (80.47 km/h) | 53.69 mph (86.41 km/h) |
| 55 mph (88.51 km/h) | 59.06 mph (95.05 km/h) |
| 60 mph (96.56 km/h) | 64.43 mph (103.69 km/h) |
| 65 mph (104.61 km/h) | 69.8 mph (112.33 km/h) |
| 70 mph (112.65 km/h) | 75.17 mph (120.97 km/h) |
| 75 mph (120.7 km/h) | 80.53 mph (129.61 km/h) |
| 80 mph (128.75 km/h) | 85.9 mph (138.25 km/h) |
| 85 mph (136.79 km/h) | 91.27 mph (146.89 km/h) |
| 90 mph (144.84 km/h) | 96.64 mph (155.53 km/h) |
| 95 mph (152.89 km/h) | 102.01 mph (164.17 km/h) |
| 100 mph (160.93 km/h) | 107.38 mph (172.81 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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