Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-15 | 225/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.83 (656) | 25.63 (651) | -0.2 (-5) -0.8% |
| Width inches (mm) | 10.83 (275) | 8.86 (225) | -1.97 (-50) -18.2% |
| Circum. inches (mm) | 81.14 (2060.88) | 80.52 (2045.18) | -0.62 (-15.71) -0.8% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 5.31 (135) | -0.1 (-2.5) -1.8% |
| Revolutions per mile (km) | 780.9 (485.23) | 786.9 (488.95) | 6 (3.73) 0.8% |
225/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.85 mph (31.94 km/h) |
| 25 mph (40.23 km/h) | 24.81 mph (39.93 km/h) |
| 30 mph (48.28 km/h) | 29.77 mph (47.91 km/h) |
| 35 mph (56.33 km/h) | 34.73 mph (55.9 km/h) |
| 40 mph (64.37 km/h) | 39.7 mph (63.88 km/h) |
| 45 mph (72.42 km/h) | 44.66 mph (71.87 km/h) |
| 50 mph (80.47 km/h) | 49.62 mph (79.85 km/h) |
| 55 mph (88.51 km/h) | 54.58 mph (87.84 km/h) |
| 60 mph (96.56 km/h) | 59.54 mph (95.82 km/h) |
| 65 mph (104.61 km/h) | 64.5 mph (103.81 km/h) |
| 70 mph (112.65 km/h) | 69.47 mph (111.8 km/h) |
| 75 mph (120.7 km/h) | 74.43 mph (119.78 km/h) |
| 80 mph (128.75 km/h) | 79.39 mph (127.77 km/h) |
| 85 mph (136.79 km/h) | 84.35 mph (135.75 km/h) |
| 90 mph (144.84 km/h) | 89.31 mph (143.74 km/h) |
| 95 mph (152.89 km/h) | 94.28 mph (151.72 km/h) |
| 100 mph (160.93 km/h) | 99.24 mph (159.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 2326 | 2505 | 2616 | 2735 | 2821 | 2914 | 3025 | 3178 | 3332 | 3502 | 3639 | 3886 | 4158 | 4371 | 4508 | 4584 | 4866 | 5258 | 6110 |
Better Fuel Economy Factory Ratios Increased Power
