Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/70-14 | 275/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.6) | 29.07 (738.5) | 2.95 (74.9) 11.3% |
| Width inches (mm) | 8.66 (220) | 10.83 (275) | 2.17 (55) 25% |
| Circum. inches (mm) | 82.08 (2084.76) | 91.34 (2320.07) | 9.26 (235.31) 11.3% |
| Sidewall Height inches (mm) | 6.06 (154) | 7.04 (178.75) | 0.97 (24.75) 16.1% |
| Revolutions per mile (km) | 771.96 (479.67) | 693.66 (431.02) | -78.29 (-48.65) -10.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.26 mph (35.82 km/h) |
| 25 mph (40.23 km/h) | 27.82 mph (44.77 km/h) |
| 30 mph (48.28 km/h) | 33.39 mph (53.73 km/h) |
| 35 mph (56.33 km/h) | 38.95 mph (62.68 km/h) |
| 40 mph (64.37 km/h) | 44.51 mph (71.64 km/h) |
| 45 mph (72.42 km/h) | 50.08 mph (80.59 km/h) |
| 50 mph (80.47 km/h) | 55.64 mph (89.55 km/h) |
| 55 mph (88.51 km/h) | 61.21 mph (98.5 km/h) |
| 60 mph (96.56 km/h) | 66.77 mph (107.46 km/h) |
| 65 mph (104.61 km/h) | 72.34 mph (116.41 km/h) |
| 70 mph (112.65 km/h) | 77.9 mph (125.37 km/h) |
| 75 mph (120.7 km/h) | 83.47 mph (134.32 km/h) |
| 80 mph (128.75 km/h) | 89.03 mph (143.28 km/h) |
| 85 mph (136.79 km/h) | 94.59 mph (152.23 km/h) |
| 90 mph (144.84 km/h) | 100.16 mph (161.19 km/h) |
| 95 mph (152.89 km/h) | 105.72 mph (170.14 km/h) |
| 100 mph (160.93 km/h) | 111.29 mph (179.1 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
