Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 220/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 29.72 (755) | 3.33 (84.6) 12.6% |
| Width inches (mm) | 9.45 (240) | 8.66 (220) | -0.79 (-20) -8.3% |
| Circum. inches (mm) | 82.92 (2106.12) | 93.38 (2371.9) | 10.46 (265.78) 12.6% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.36 (187) | 2.17 (55) 41.7% |
| Revolutions per mile (km) | 764.13 (474.81) | 678.5 (421.6) | -85.62 (-53.2) -11.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.52 mph (36.25 km/h) |
| 25 mph (40.23 km/h) | 28.15 mph (45.31 km/h) |
| 30 mph (48.28 km/h) | 33.79 mph (54.37 km/h) |
| 35 mph (56.33 km/h) | 39.42 mph (63.44 km/h) |
| 40 mph (64.37 km/h) | 45.05 mph (72.5 km/h) |
| 45 mph (72.42 km/h) | 50.68 mph (81.56 km/h) |
| 50 mph (80.47 km/h) | 56.31 mph (90.62 km/h) |
| 55 mph (88.51 km/h) | 61.94 mph (99.68 km/h) |
| 60 mph (96.56 km/h) | 67.57 mph (108.75 km/h) |
| 65 mph (104.61 km/h) | 73.2 mph (117.81 km/h) |
| 70 mph (112.65 km/h) | 78.83 mph (126.87 km/h) |
| 75 mph (120.7 km/h) | 84.46 mph (135.93 km/h) |
| 80 mph (128.75 km/h) | 90.1 mph (144.99 km/h) |
| 85 mph (136.79 km/h) | 95.73 mph (154.06 km/h) |
| 90 mph (144.84 km/h) | 101.36 mph (163.12 km/h) |
| 95 mph (152.89 km/h) | 106.99 mph (172.18 km/h) |
| 100 mph (160.93 km/h) | 112.62 mph (181.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1727 | 2006 | 2160 | 2256 | 2359 | 2432 | 2513 | 2608 | 2741 | 2873 | 3020 | 3137 | 3350 | 3586 | 3769 | 3887 | 3953 | 4195 | 4533 | 5268 |
Better Fuel Economy Factory Ratios Increased Power
