2007 BMW 550 vs. 2011 Alfa Romeo 159
To start off, 2011 Alfa Romeo 159 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 BMW 550. In addition, the cost of maintenance, including insurance, on 2007 BMW 550 would be higher. At 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (362 HP @ 6300 RPM) has 155 more horse power than 2011 Alfa Romeo 159. (207 HP @ 4000 RPM). In normal driving conditions, 2007 BMW 550 should accelerate faster than 2011 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alfa Romeo 159 weights approximately 110 kg more than 2007 BMW 550.
Because 2011 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 550. In wet, icy, snow, or gravel driving conditions, 2011 Alfa Romeo 159 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW 550 (490 Nm @ 3400 RPM) has 89 more torque (in Nm) than 2011 Alfa Romeo 159. (401 Nm @ 1500 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2011 Alfa Romeo 159. 2007 BMW 550 has automatic transmission and 2011 Alfa Romeo 159 has manual transmission. 2011 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 550 | 2011 Alfa Romeo 159 | |
| Make | BMW | Alfa Romeo |
| Model | 550 | 159 |
| Year Released | 2007 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2387 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 207 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 490 Nm | 401 Nm |
| Torque RPM | 3400 RPM | 1500 RPM |
| Engine Bore Size | 93.1 mm | 82 mm |
| Engine Stroke Size | 88.3 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.9 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1770 kg |
| Vehicle Length | 4850 mm | 4670 mm |
| Vehicle Width | 1470 mm | 1840 mm |
| Vehicle Height | 1850 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
| Fuel Consumption Overall | 11.1 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
