Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.65 (677) | 27.05 (687) | 0.39 (10) 1.5% |
| Width inches (mm) | 7.28 (185) | 10.04 (255) | 2.76 (70) 37.8% |
| Circum. inches (mm) | 83.73 (2126.86) | 84.97 (2158.27) | 1.24 (31.42) 1.5% |
| Sidewall Height inches (mm) | 5.83 (148) | 6.02 (153) | 0.2 (5) 3.4% |
| Revolutions per mile (km) | 756.68 (470.18) | 745.66 (463.33) | -11.01 (-6.84) -1.5% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.3 mph (32.66 km/h) |
| 25 mph (40.23 km/h) | 25.37 mph (40.83 km/h) |
| 30 mph (48.28 km/h) | 30.44 mph (48.99 km/h) |
| 35 mph (56.33 km/h) | 35.52 mph (57.16 km/h) |
| 40 mph (64.37 km/h) | 40.59 mph (65.32 km/h) |
| 45 mph (72.42 km/h) | 45.66 mph (73.49 km/h) |
| 50 mph (80.47 km/h) | 50.74 mph (81.66 km/h) |
| 55 mph (88.51 km/h) | 55.81 mph (89.82 km/h) |
| 60 mph (96.56 km/h) | 60.89 mph (97.99 km/h) |
| 65 mph (104.61 km/h) | 65.96 mph (106.15 km/h) |
| 70 mph (112.65 km/h) | 71.03 mph (114.32 km/h) |
| 75 mph (120.7 km/h) | 76.11 mph (122.48 km/h) |
| 80 mph (128.75 km/h) | 81.18 mph (130.65 km/h) |
| 85 mph (136.79 km/h) | 86.26 mph (138.82 km/h) |
| 90 mph (144.84 km/h) | 91.33 mph (146.98 km/h) |
| 95 mph (152.89 km/h) | 96.4 mph (155.15 km/h) |
| 100 mph (160.93 km/h) | 101.48 mph (163.31 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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