Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 275/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 33.41 (848.5) | 7.01 (178.1) 26.6% |
| Width inches (mm) | 9.45 (240) | 10.83 (275) | 1.38 (35) 14.6% |
| Circum. inches (mm) | 82.92 (2106.12) | 104.95 (2665.64) | 22.03 (559.52) 26.6% |
| Sidewall Height inches (mm) | 5.2 (132) | 9.2 (233.75) | 4.01 (101.75) 77.1% |
| Revolutions per mile (km) | 764.13 (474.81) | 603.74 (375.14) | -160.39 (-99.66) -21% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.31 mph (40.74 km/h) |
| 25 mph (40.23 km/h) | 31.64 mph (50.92 km/h) |
| 30 mph (48.28 km/h) | 37.97 mph (61.11 km/h) |
| 35 mph (56.33 km/h) | 44.3 mph (71.29 km/h) |
| 40 mph (64.37 km/h) | 50.63 mph (81.48 km/h) |
| 45 mph (72.42 km/h) | 56.95 mph (91.66 km/h) |
| 50 mph (80.47 km/h) | 63.28 mph (101.84 km/h) |
| 55 mph (88.51 km/h) | 69.61 mph (112.03 km/h) |
| 60 mph (96.56 km/h) | 75.94 mph (122.21 km/h) |
| 65 mph (104.61 km/h) | 82.27 mph (132.4 km/h) |
| 70 mph (112.65 km/h) | 88.6 mph (142.58 km/h) |
| 75 mph (120.7 km/h) | 94.92 mph (152.77 km/h) |
| 80 mph (128.75 km/h) | 101.25 mph (162.95 km/h) |
| 85 mph (136.79 km/h) | 107.58 mph (173.14 km/h) |
| 90 mph (144.84 km/h) | 113.91 mph (183.32 km/h) |
| 95 mph (152.89 km/h) | 120.24 mph (193.5 km/h) |
| 100 mph (160.93 km/h) | 126.57 mph (203.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1536 | 1785 | 1922 | 2007 | 2099 | 2164 | 2236 | 2321 | 2439 | 2556 | 2687 | 2792 | 2981 | 3190 | 3354 | 3459 | 3517 | 3733 | 4034 | 4688 |
Better Fuel Economy Factory Ratios Increased Power
