Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 265/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 32.74 (831.5) | 6.34 (161.1) 24% |
| Width inches (mm) | 9.45 (240) | 10.43 (265) | 0.98 (25) 10.4% |
| Circum. inches (mm) | 82.92 (2106.12) | 102.84 (2612.23) | 19.93 (506.11) 24% |
| Sidewall Height inches (mm) | 5.2 (132) | 8.87 (225.25) | 3.67 (93.25) 70.6% |
| Revolutions per mile (km) | 764.13 (474.81) | 616.08 (382.81) | -148.05 (-91.99) -19.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.81 mph (39.92 km/h) |
| 25 mph (40.23 km/h) | 31.01 mph (49.9 km/h) |
| 30 mph (48.28 km/h) | 37.21 mph (59.88 km/h) |
| 35 mph (56.33 km/h) | 43.41 mph (69.86 km/h) |
| 40 mph (64.37 km/h) | 49.61 mph (79.84 km/h) |
| 45 mph (72.42 km/h) | 55.81 mph (89.82 km/h) |
| 50 mph (80.47 km/h) | 62.02 mph (99.8 km/h) |
| 55 mph (88.51 km/h) | 68.22 mph (109.78 km/h) |
| 60 mph (96.56 km/h) | 74.42 mph (119.76 km/h) |
| 65 mph (104.61 km/h) | 80.62 mph (129.75 km/h) |
| 70 mph (112.65 km/h) | 86.82 mph (139.73 km/h) |
| 75 mph (120.7 km/h) | 93.02 mph (149.71 km/h) |
| 80 mph (128.75 km/h) | 99.22 mph (159.69 km/h) |
| 85 mph (136.79 km/h) | 105.43 mph (169.67 km/h) |
| 90 mph (144.84 km/h) | 111.63 mph (179.65 km/h) |
| 95 mph (152.89 km/h) | 117.83 mph (189.63 km/h) |
| 100 mph (160.93 km/h) | 124.03 mph (199.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1568 | 1821 | 1961 | 2048 | 2142 | 2208 | 2282 | 2368 | 2488 | 2609 | 2742 | 2849 | 3042 | 3256 | 3422 | 3529 | 3589 | 3809 | 4116 | 4783 |
Better Fuel Economy Factory Ratios Increased Power
