Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 260/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 31.38 (797) | 4.98 (126.6) 18.9% |
| Width inches (mm) | 9.45 (240) | 10.24 (260) | 0.79 (20) 8.3% |
| Circum. inches (mm) | 82.92 (2106.12) | 98.58 (2503.85) | 15.66 (397.73) 18.9% |
| Sidewall Height inches (mm) | 5.2 (132) | 8.19 (208) | 2.99 (76) 57.6% |
| Revolutions per mile (km) | 764.13 (474.81) | 642.75 (399.38) | -121.38 (-75.42) -15.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.78 mph (38.27 km/h) |
| 25 mph (40.23 km/h) | 29.72 mph (47.83 km/h) |
| 30 mph (48.28 km/h) | 35.67 mph (57.4 km/h) |
| 35 mph (56.33 km/h) | 41.61 mph (66.96 km/h) |
| 40 mph (64.37 km/h) | 47.55 mph (76.53 km/h) |
| 45 mph (72.42 km/h) | 53.5 mph (86.1 km/h) |
| 50 mph (80.47 km/h) | 59.44 mph (95.66 km/h) |
| 55 mph (88.51 km/h) | 65.39 mph (105.23 km/h) |
| 60 mph (96.56 km/h) | 71.33 mph (114.8 km/h) |
| 65 mph (104.61 km/h) | 77.27 mph (124.36 km/h) |
| 70 mph (112.65 km/h) | 83.22 mph (133.93 km/h) |
| 75 mph (120.7 km/h) | 89.16 mph (143.49 km/h) |
| 80 mph (128.75 km/h) | 95.11 mph (153.06 km/h) |
| 85 mph (136.79 km/h) | 101.05 mph (162.63 km/h) |
| 90 mph (144.84 km/h) | 107 mph (172.19 km/h) |
| 95 mph (152.89 km/h) | 112.94 mph (181.76 km/h) |
| 100 mph (160.93 km/h) | 118.88 mph (191.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1636 | 1900 | 2046 | 2137 | 2234 | 2304 | 2380 | 2471 | 2596 | 2721 | 2861 | 2972 | 3174 | 3397 | 3571 | 3682 | 3745 | 3974 | 4295 | 4991 |
Better Fuel Economy Factory Ratios Increased Power
