Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 265/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 33.65 (854.7) | 3.56 (90.3) 11.8% |
| Width inches (mm) | 10.08 (256) | 10.43 (265) | 0.35 (9) 3.5% |
| Circum. inches (mm) | 94.54 (2401.43) | 105.71 (2685.12) | 11.17 (283.69) 11.8% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 7.82 (198.75) | 1.78 (45.15) 29.4% |
| Revolutions per mile (km) | 670.16 (416.42) | 599.36 (372.42) | -70.8 (-43.99) -10.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.36 mph (35.99 km/h) |
| 25 mph (40.23 km/h) | 27.95 mph (44.99 km/h) |
| 30 mph (48.28 km/h) | 33.54 mph (53.98 km/h) |
| 35 mph (56.33 km/h) | 39.13 mph (62.98 km/h) |
| 40 mph (64.37 km/h) | 44.73 mph (71.98 km/h) |
| 45 mph (72.42 km/h) | 50.32 mph (80.98 km/h) |
| 50 mph (80.47 km/h) | 55.91 mph (89.97 km/h) |
| 55 mph (88.51 km/h) | 61.5 mph (98.97 km/h) |
| 60 mph (96.56 km/h) | 67.09 mph (107.97 km/h) |
| 65 mph (104.61 km/h) | 72.68 mph (116.97 km/h) |
| 70 mph (112.65 km/h) | 78.27 mph (125.96 km/h) |
| 75 mph (120.7 km/h) | 83.86 mph (134.96 km/h) |
| 80 mph (128.75 km/h) | 89.45 mph (143.96 km/h) |
| 85 mph (136.79 km/h) | 95.04 mph (152.95 km/h) |
| 90 mph (144.84 km/h) | 100.63 mph (161.95 km/h) |
| 95 mph (152.89 km/h) | 106.22 mph (170.95 km/h) |
| 100 mph (160.93 km/h) | 111.81 mph (179.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1525 | 1772 | 1908 | 1993 | 2083 | 2148 | 2220 | 2304 | 2421 | 2538 | 2668 | 2771 | 2960 | 3167 | 3330 | 3433 | 3492 | 3706 | 4005 | 4654 |
Better Fuel Economy Factory Ratios Increased Power
