Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-15 | 255/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.05 (712.5) | 26.04 (661.5) | -2.01 (-51) -7.2% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 88.13 (2238.38) | 81.82 (2078.16) | -6.31 (-160.22) -7.2% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 5.52 (140.25) | -1 (-25.5) -15.4% |
| Revolutions per mile (km) | 718.98 (446.75) | 774.41 (481.19) | 55.43 (34.44) 7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.57 mph (29.88 km/h) |
| 25 mph (40.23 km/h) | 23.21 mph (37.35 km/h) |
| 30 mph (48.28 km/h) | 27.85 mph (44.82 km/h) |
| 35 mph (56.33 km/h) | 32.49 mph (52.3 km/h) |
| 40 mph (64.37 km/h) | 37.14 mph (59.77 km/h) |
| 45 mph (72.42 km/h) | 41.78 mph (67.24 km/h) |
| 50 mph (80.47 km/h) | 46.42 mph (74.71 km/h) |
| 55 mph (88.51 km/h) | 51.06 mph (82.18 km/h) |
| 60 mph (96.56 km/h) | 55.71 mph (89.65 km/h) |
| 65 mph (104.61 km/h) | 60.35 mph (97.12 km/h) |
| 70 mph (112.65 km/h) | 64.99 mph (104.59 km/h) |
| 75 mph (120.7 km/h) | 69.63 mph (112.06 km/h) |
| 80 mph (128.75 km/h) | 74.27 mph (119.53 km/h) |
| 85 mph (136.79 km/h) | 78.92 mph (127 km/h) |
| 90 mph (144.84 km/h) | 83.56 mph (134.47 km/h) |
| 95 mph (152.89 km/h) | 88.2 mph (141.94 km/h) |
| 100 mph (160.93 km/h) | 92.84 mph (149.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 2289 | 2465 | 2575 | 2692 | 2776 | 2868 | 2977 | 3128 | 3279 | 3447 | 3581 | 3824 | 4092 | 4302 | 4436 | 4512 | 4788 | 5174 | 6013 |
Better Fuel Economy Factory Ratios Increased Power
