Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 240/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 30.12 (765) | 3.72 (94.6) 14.1% |
| Width inches (mm) | 9.45 (240) | 9.45 (240) | 0 (0) 0% |
| Circum. inches (mm) | 82.92 (2106.12) | 94.62 (2403.32) | 11.7 (297.19) 14.1% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.56 (192) | 2.36 (60) 45.5% |
| Revolutions per mile (km) | 764.13 (474.81) | 669.63 (416.09) | -94.49 (-58.71) -12.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.82 mph (36.73 km/h) |
| 25 mph (40.23 km/h) | 28.53 mph (45.91 km/h) |
| 30 mph (48.28 km/h) | 34.23 mph (55.09 km/h) |
| 35 mph (56.33 km/h) | 39.94 mph (64.28 km/h) |
| 40 mph (64.37 km/h) | 45.64 mph (73.46 km/h) |
| 45 mph (72.42 km/h) | 51.35 mph (82.64 km/h) |
| 50 mph (80.47 km/h) | 57.06 mph (91.82 km/h) |
| 55 mph (88.51 km/h) | 62.76 mph (101 km/h) |
| 60 mph (96.56 km/h) | 68.47 mph (110.19 km/h) |
| 65 mph (104.61 km/h) | 74.17 mph (119.37 km/h) |
| 70 mph (112.65 km/h) | 79.88 mph (128.55 km/h) |
| 75 mph (120.7 km/h) | 85.58 mph (137.73 km/h) |
| 80 mph (128.75 km/h) | 91.29 mph (146.92 km/h) |
| 85 mph (136.79 km/h) | 96.99 mph (156.1 km/h) |
| 90 mph (144.84 km/h) | 102.7 mph (165.28 km/h) |
| 95 mph (152.89 km/h) | 108.41 mph (174.46 km/h) |
| 100 mph (160.93 km/h) | 114.11 mph (183.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1704 | 1980 | 2132 | 2226 | 2328 | 2400 | 2480 | 2574 | 2705 | 2835 | 2980 | 3096 | 3307 | 3539 | 3720 | 3836 | 3901 | 4141 | 4474 | 5199 |
Better Fuel Economy Factory Ratios Increased Power
