Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 165/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 20.85 (529.5) | -5.55 (-140.9) -21% |
| Width inches (mm) | 9.45 (240) | 6.5 (165) | -2.95 (-75) -31.3% |
| Circum. inches (mm) | 82.92 (2106.12) | 65.49 (1663.47) | -17.43 (-442.65) -21% |
| Sidewall Height inches (mm) | 5.2 (132) | 2.92 (74.25) | -2.27 (-57.75) -43.8% |
| Revolutions per mile (km) | 764.13 (474.81) | 967.46 (601.15) | 203.33 (126.35) 26.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.8 mph (25.42 km/h) |
| 25 mph (40.23 km/h) | 19.75 mph (31.78 km/h) |
| 30 mph (48.28 km/h) | 23.69 mph (38.13 km/h) |
| 35 mph (56.33 km/h) | 27.64 mph (44.49 km/h) |
| 40 mph (64.37 km/h) | 31.59 mph (50.84 km/h) |
| 45 mph (72.42 km/h) | 35.54 mph (57.2 km/h) |
| 50 mph (80.47 km/h) | 39.49 mph (63.56 km/h) |
| 55 mph (88.51 km/h) | 43.44 mph (69.91 km/h) |
| 60 mph (96.56 km/h) | 47.39 mph (76.27 km/h) |
| 65 mph (104.61 km/h) | 51.34 mph (82.62 km/h) |
| 70 mph (112.65 km/h) | 55.29 mph (88.98 km/h) |
| 75 mph (120.7 km/h) | 59.24 mph (95.33 km/h) |
| 80 mph (128.75 km/h) | 63.19 mph (101.69 km/h) |
| 85 mph (136.79 km/h) | 67.14 mph (108.04 km/h) |
| 90 mph (144.84 km/h) | 71.08 mph (114.4 km/h) |
| 95 mph (152.89 km/h) | 75.03 mph (120.76 km/h) |
| 100 mph (160.93 km/h) | 78.98 mph (127.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
