Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 256/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 29.09 (739) | -1 (-25.4) -3.3% |
| Width inches (mm) | 10.08 (256) | 10.08 (256) | 0 (0) 0% |
| Circum. inches (mm) | 94.54 (2401.43) | 91.4 (2321.64) | -3.14 (-79.8) -3.3% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 6.05 (153.6) | 0 (0) 0% |
| Revolutions per mile (km) | 670.16 (416.42) | 693.19 (430.73) | 23.03 (14.31) 3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.12 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.9 km/h) |
| 30 mph (48.28 km/h) | 29 mph (46.68 km/h) |
| 35 mph (56.33 km/h) | 33.84 mph (54.46 km/h) |
| 40 mph (64.37 km/h) | 38.67 mph (62.23 km/h) |
| 45 mph (72.42 km/h) | 43.5 mph (70.01 km/h) |
| 50 mph (80.47 km/h) | 48.34 mph (77.79 km/h) |
| 55 mph (88.51 km/h) | 53.17 mph (85.57 km/h) |
| 60 mph (96.56 km/h) | 58.01 mph (93.35 km/h) |
| 65 mph (104.61 km/h) | 62.84 mph (101.13 km/h) |
| 70 mph (112.65 km/h) | 67.67 mph (108.91 km/h) |
| 75 mph (120.7 km/h) | 72.51 mph (116.69 km/h) |
| 80 mph (128.75 km/h) | 77.34 mph (124.47 km/h) |
| 85 mph (136.79 km/h) | 82.18 mph (132.25 km/h) |
| 90 mph (144.84 km/h) | 87.01 mph (140.03 km/h) |
| 95 mph (152.89 km/h) | 91.84 mph (147.81 km/h) |
| 100 mph (160.93 km/h) | 96.68 mph (155.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1764 | 2049 | 2207 | 2305 | 2410 | 2485 | 2567 | 2665 | 2800 | 2935 | 3085 | 3205 | 3423 | 3663 | 3851 | 3971 | 4039 | 4286 | 4632 | 5382 |
Better Fuel Economy Factory Ratios Increased Power
