Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.07 (738.5) | 27.05 (687) | -2.03 (-51.5) -7% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 91.34 (2320.07) | 84.97 (2158.27) | -6.37 (-161.79) -7% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 6.02 (153) | -1.01 (-25.75) -14.4% |
| Revolutions per mile (km) | 693.66 (431.02) | 745.66 (463.33) | 52 (32.31) 7.5% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.61 mph (29.94 km/h) |
| 25 mph (40.23 km/h) | 23.26 mph (37.43 km/h) |
| 30 mph (48.28 km/h) | 27.91 mph (44.91 km/h) |
| 35 mph (56.33 km/h) | 32.56 mph (52.4 km/h) |
| 40 mph (64.37 km/h) | 37.21 mph (59.88 km/h) |
| 45 mph (72.42 km/h) | 41.86 mph (67.37 km/h) |
| 50 mph (80.47 km/h) | 46.51 mph (74.86 km/h) |
| 55 mph (88.51 km/h) | 51.16 mph (82.34 km/h) |
| 60 mph (96.56 km/h) | 55.82 mph (89.83 km/h) |
| 65 mph (104.61 km/h) | 60.47 mph (97.31 km/h) |
| 70 mph (112.65 km/h) | 65.12 mph (104.8 km/h) |
| 75 mph (120.7 km/h) | 69.77 mph (112.28 km/h) |
| 80 mph (128.75 km/h) | 74.42 mph (119.77 km/h) |
| 85 mph (136.79 km/h) | 79.07 mph (127.26 km/h) |
| 90 mph (144.84 km/h) | 83.72 mph (134.74 km/h) |
| 95 mph (152.89 km/h) | 88.38 mph (142.23 km/h) |
| 100 mph (160.93 km/h) | 93.03 mph (149.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2204 | 2374 | 2479 | 2592 | 2673 | 2762 | 2867 | 3012 | 3157 | 3319 | 3448 | 3682 | 3940 | 4142 | 4272 | 4344 | 4611 | 4982 | 5790 |
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