Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/60-17 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.76 (755.8) | 27.99 (711) | -1.76 (-44.8) -5.9% |
| Width inches (mm) | 10.63 (270) | 10.83 (275) | 0.2 (5) 1.9% |
| Circum. inches (mm) | 93.48 (2374.42) | 87.94 (2233.67) | -5.54 (-140.74) -5.9% |
| Sidewall Height inches (mm) | 6.38 (162) | 6.5 (165) | 0.12 (3) 1.9% |
| Revolutions per mile (km) | 677.79 (421.16) | 720.49 (447.69) | 42.71 (26.54) 6.3% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.81 mph (30.28 km/h) |
| 25 mph (40.23 km/h) | 23.52 mph (37.85 km/h) |
| 30 mph (48.28 km/h) | 28.22 mph (45.42 km/h) |
| 35 mph (56.33 km/h) | 32.93 mph (52.99 km/h) |
| 40 mph (64.37 km/h) | 37.63 mph (60.56 km/h) |
| 45 mph (72.42 km/h) | 42.33 mph (68.13 km/h) |
| 50 mph (80.47 km/h) | 47.04 mph (75.7 km/h) |
| 55 mph (88.51 km/h) | 51.74 mph (83.27 km/h) |
| 60 mph (96.56 km/h) | 56.44 mph (90.84 km/h) |
| 65 mph (104.61 km/h) | 61.15 mph (98.41 km/h) |
| 70 mph (112.65 km/h) | 65.85 mph (105.98 km/h) |
| 75 mph (120.7 km/h) | 70.55 mph (113.55 km/h) |
| 80 mph (128.75 km/h) | 75.26 mph (121.12 km/h) |
| 85 mph (136.79 km/h) | 79.96 mph (128.69 km/h) |
| 90 mph (144.84 km/h) | 84.67 mph (136.26 km/h) |
| 95 mph (152.89 km/h) | 89.37 mph (143.83 km/h) |
| 100 mph (160.93 km/h) | 94.07 mph (151.4 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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