Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 27.99 (711) | 1.61 (40.9) 6.1% |
| Width inches (mm) | 7.28 (185) | 10.83 (275) | 3.54 (90) 48.6% |
| Circum. inches (mm) | 82.88 (2105.18) | 87.94 (2233.67) | 5.06 (128.49) 6.1% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 6.5 (165) | 0.31 (7.75) 4.9% |
| Revolutions per mile (km) | 764.47 (475.02) | 720.49 (447.69) | -43.98 (-27.33) -5.8% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.22 mph (34.15 km/h) |
| 25 mph (40.23 km/h) | 26.53 mph (42.69 km/h) |
| 30 mph (48.28 km/h) | 31.83 mph (51.23 km/h) |
| 35 mph (56.33 km/h) | 37.14 mph (59.77 km/h) |
| 40 mph (64.37 km/h) | 42.44 mph (68.3 km/h) |
| 45 mph (72.42 km/h) | 47.75 mph (76.84 km/h) |
| 50 mph (80.47 km/h) | 53.05 mph (85.38 km/h) |
| 55 mph (88.51 km/h) | 58.36 mph (93.92 km/h) |
| 60 mph (96.56 km/h) | 63.66 mph (102.45 km/h) |
| 65 mph (104.61 km/h) | 68.97 mph (110.99 km/h) |
| 70 mph (112.65 km/h) | 74.27 mph (119.53 km/h) |
| 75 mph (120.7 km/h) | 79.58 mph (128.07 km/h) |
| 80 mph (128.75 km/h) | 84.88 mph (136.61 km/h) |
| 85 mph (136.79 km/h) | 90.19 mph (145.14 km/h) |
| 90 mph (144.84 km/h) | 95.49 mph (153.68 km/h) |
| 95 mph (152.89 km/h) | 100.8 mph (162.22 km/h) |
| 100 mph (160.93 km/h) | 106.1 mph (170.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2130 | 2294 | 2395 | 2505 | 2583 | 2668 | 2770 | 2910 | 3051 | 3207 | 3332 | 3558 | 3807 | 4003 | 4127 | 4198 | 4455 | 4814 | 5594 |
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