Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/50-17 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.09 (611.8) | 27.99 (711) | 3.91 (99.2) 16.2% |
| Width inches (mm) | 7.09 (180) | 10.83 (275) | 3.74 (95) 52.8% |
| Circum. inches (mm) | 75.67 (1922.03) | 87.94 (2233.67) | 12.27 (311.65) 16.2% |
| Sidewall Height inches (mm) | 3.54 (90) | 6.5 (165) | 2.95 (75) 83.3% |
| Revolutions per mile (km) | 837.32 (520.28) | 720.49 (447.69) | -116.82 (-72.59) -14% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.24 mph (37.41 km/h) |
| 25 mph (40.23 km/h) | 29.05 mph (46.76 km/h) |
| 30 mph (48.28 km/h) | 34.86 mph (56.11 km/h) |
| 35 mph (56.33 km/h) | 40.68 mph (65.46 km/h) |
| 40 mph (64.37 km/h) | 46.49 mph (74.81 km/h) |
| 45 mph (72.42 km/h) | 52.3 mph (84.16 km/h) |
| 50 mph (80.47 km/h) | 58.11 mph (93.51 km/h) |
| 55 mph (88.51 km/h) | 63.92 mph (102.87 km/h) |
| 60 mph (96.56 km/h) | 69.73 mph (112.22 km/h) |
| 65 mph (104.61 km/h) | 75.54 mph (121.57 km/h) |
| 70 mph (112.65 km/h) | 81.35 mph (130.92 km/h) |
| 75 mph (120.7 km/h) | 87.16 mph (140.27 km/h) |
| 80 mph (128.75 km/h) | 92.97 mph (149.62 km/h) |
| 85 mph (136.79 km/h) | 98.78 mph (158.97 km/h) |
| 90 mph (144.84 km/h) | 104.59 mph (168.33 km/h) |
| 95 mph (152.89 km/h) | 110.4 mph (177.68 km/h) |
| 100 mph (160.93 km/h) | 116.21 mph (187.03 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
