Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 22.74 (577.6) | -1.73 (-43.9) -7.1% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 76.87 (1952.5) | 71.44 (1814.58) | -5.43 (-137.92) -7.1% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 4.37 (111) | -0.36 (-9.25) -7.7% |
| Revolutions per mile (km) | 824.25 (512.16) | 886.89 (551.09) | 62.65 (38.93) 7.6% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.59 mph (29.91 km/h) |
| 25 mph (40.23 km/h) | 23.23 mph (37.39 km/h) |
| 30 mph (48.28 km/h) | 27.88 mph (44.87 km/h) |
| 35 mph (56.33 km/h) | 32.53 mph (52.35 km/h) |
| 40 mph (64.37 km/h) | 37.17 mph (59.83 km/h) |
| 45 mph (72.42 km/h) | 41.82 mph (67.31 km/h) |
| 50 mph (80.47 km/h) | 46.47 mph (74.78 km/h) |
| 55 mph (88.51 km/h) | 51.12 mph (82.26 km/h) |
| 60 mph (96.56 km/h) | 55.76 mph (89.74 km/h) |
| 65 mph (104.61 km/h) | 60.41 mph (97.22 km/h) |
| 70 mph (112.65 km/h) | 65.06 mph (104.7 km/h) |
| 75 mph (120.7 km/h) | 69.7 mph (112.18 km/h) |
| 80 mph (128.75 km/h) | 74.35 mph (119.65 km/h) |
| 85 mph (136.79 km/h) | 79 mph (127.13 km/h) |
| 90 mph (144.84 km/h) | 83.64 mph (134.61 km/h) |
| 95 mph (152.89 km/h) | 88.29 mph (142.09 km/h) |
| 100 mph (160.93 km/h) | 92.94 mph (149.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2257 | 2622 | 2824 | 2948 | 3083 | 3179 | 3285 | 3409 | 3582 | 3755 | 3947 | 4101 | 4379 | 4687 | 4927 | 5081 | 5167 | 5484 | 5926 | 6886 |
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