Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/50-15 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.22 (666) | 27.99 (711) | 1.77 (45) 6.8% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 82.37 (2092.3) | 87.94 (2233.67) | 5.57 (141.37) 6.8% |
| Sidewall Height inches (mm) | 5.61 (142.5) | 6.5 (165) | 0.89 (22.5) 15.8% |
| Revolutions per mile (km) | 769.17 (477.94) | 720.49 (447.69) | -48.68 (-30.25) -6.3% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.35 mph (34.36 km/h) |
| 25 mph (40.23 km/h) | 26.69 mph (42.95 km/h) |
| 30 mph (48.28 km/h) | 32.03 mph (51.54 km/h) |
| 35 mph (56.33 km/h) | 37.36 mph (60.13 km/h) |
| 40 mph (64.37 km/h) | 42.7 mph (68.72 km/h) |
| 45 mph (72.42 km/h) | 48.04 mph (77.31 km/h) |
| 50 mph (80.47 km/h) | 53.38 mph (85.9 km/h) |
| 55 mph (88.51 km/h) | 58.72 mph (94.49 km/h) |
| 60 mph (96.56 km/h) | 64.05 mph (103.09 km/h) |
| 65 mph (104.61 km/h) | 69.39 mph (111.68 km/h) |
| 70 mph (112.65 km/h) | 74.73 mph (120.27 km/h) |
| 75 mph (120.7 km/h) | 80.07 mph (128.86 km/h) |
| 80 mph (128.75 km/h) | 85.41 mph (137.45 km/h) |
| 85 mph (136.79 km/h) | 90.74 mph (146.04 km/h) |
| 90 mph (144.84 km/h) | 96.08 mph (154.63 km/h) |
| 95 mph (152.89 km/h) | 101.42 mph (163.22 km/h) |
| 100 mph (160.93 km/h) | 106.76 mph (171.81 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 |
Better Fuel Economy Factory Ratios Increased Power
