Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-15 | 275/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.05 (712.5) | 29.07 (738.5) | 1.02 (26) 3.6% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 88.13 (2238.38) | 91.34 (2320.07) | 3.22 (81.68) 3.6% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 7.04 (178.75) | 0.51 (13) 7.8% |
| Revolutions per mile (km) | 718.98 (446.75) | 693.66 (431.02) | -25.31 (-15.73) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.73 mph (33.36 km/h) |
| 25 mph (40.23 km/h) | 25.91 mph (41.7 km/h) |
| 30 mph (48.28 km/h) | 31.09 mph (50.04 km/h) |
| 35 mph (56.33 km/h) | 36.28 mph (58.38 km/h) |
| 40 mph (64.37 km/h) | 41.46 mph (66.72 km/h) |
| 45 mph (72.42 km/h) | 46.64 mph (75.06 km/h) |
| 50 mph (80.47 km/h) | 51.82 mph (83.4 km/h) |
| 55 mph (88.51 km/h) | 57.01 mph (91.74 km/h) |
| 60 mph (96.56 km/h) | 62.19 mph (100.08 km/h) |
| 65 mph (104.61 km/h) | 67.37 mph (108.42 km/h) |
| 70 mph (112.65 km/h) | 72.55 mph (116.77 km/h) |
| 75 mph (120.7 km/h) | 77.74 mph (125.11 km/h) |
| 80 mph (128.75 km/h) | 82.92 mph (133.45 km/h) |
| 85 mph (136.79 km/h) | 88.1 mph (141.79 km/h) |
| 90 mph (144.84 km/h) | 93.28 mph (150.13 km/h) |
| 95 mph (152.89 km/h) | 98.47 mph (158.47 km/h) |
| 100 mph (160.93 km/h) | 103.65 mph (166.81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1765 | 2051 | 2208 | 2306 | 2411 | 2486 | 2569 | 2667 | 2802 | 2937 | 3087 | 3207 | 3425 | 3666 | 3853 | 3974 | 4041 | 4289 | 4635 | 5386 |
Better Fuel Economy Factory Ratios Increased Power
