2005 Alfa Romeo 156 vs. 2007 BMW 750
To start off, 2007 BMW 750 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW 750 (360 HP @ 6300 RPM) has 113 more horse power than 2005 Alfa Romeo 156. (247 HP @ 6200 RPM) In normal driving conditions, 2007 BMW 750 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 750 weights approximately 295 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 750 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2007 BMW 750 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 750 (488 Nm @ 3400 RPM) has 183 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2007 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2007 BMW 750 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2007 BMW 750 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 750 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 360 HP |
| Engine RPM | 6200 RPM | 6300 RPM |
| Torque | 305 Nm | 488 Nm |
| Torque RPM | 4800 RPM | 3400 RPM |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1835 kg |
| Wheelbase Size | 2550 mm | 3000 mm |
| Fuel Consumption Overall | 12.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 60 L | 88 L |
