Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 256/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 33.12 (841.2) | 3.02 (76.8) 10% |
| Width inches (mm) | 10.08 (256) | 10.08 (256) | 0 (0) 0% |
| Circum. inches (mm) | 94.54 (2401.43) | 104.04 (2642.71) | 9.5 (241.27) 10% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 7.56 (192) | 1.51 (38.4) 25% |
| Revolutions per mile (km) | 670.16 (416.42) | 608.98 (378.4) | -61.18 (-38.02) -9.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.01 mph (35.42 km/h) |
| 25 mph (40.23 km/h) | 27.51 mph (44.28 km/h) |
| 30 mph (48.28 km/h) | 33.01 mph (53.13 km/h) |
| 35 mph (56.33 km/h) | 38.52 mph (61.99 km/h) |
| 40 mph (64.37 km/h) | 44.02 mph (70.84 km/h) |
| 45 mph (72.42 km/h) | 49.52 mph (79.7 km/h) |
| 50 mph (80.47 km/h) | 55.02 mph (88.55 km/h) |
| 55 mph (88.51 km/h) | 60.53 mph (97.41 km/h) |
| 60 mph (96.56 km/h) | 66.03 mph (106.26 km/h) |
| 65 mph (104.61 km/h) | 71.53 mph (115.12 km/h) |
| 70 mph (112.65 km/h) | 77.03 mph (123.97 km/h) |
| 75 mph (120.7 km/h) | 82.54 mph (132.83 km/h) |
| 80 mph (128.75 km/h) | 88.04 mph (141.68 km/h) |
| 85 mph (136.79 km/h) | 93.54 mph (150.54 km/h) |
| 90 mph (144.84 km/h) | 99.04 mph (159.39 km/h) |
| 95 mph (152.89 km/h) | 104.54 mph (168.25 km/h) |
| 100 mph (160.93 km/h) | 110.05 mph (177.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1550 | 1800 | 1939 | 2025 | 2117 | 2183 | 2255 | 2341 | 2460 | 2578 | 2710 | 2816 | 3007 | 3218 | 3383 | 3489 | 3548 | 3766 | 4069 | 4728 |
Better Fuel Economy Factory Ratios Increased Power
