2003 Alfa Romeo 156 vs. 2005 BMW 748
To start off, 2005 BMW 748 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 4,799 cc (8 cylinders), 2005 BMW 748 is equipped with a bigger engine. In terms of performance, 2005 BMW 748 (362 HP @ 6000 RPM) has 249 more horse power than 2003 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2005 BMW 748 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 748 weights approximately 605 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 748 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 748. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 BMW 748 (500 Nm @ 3400 RPM) has 225 more torque (in Nm) than 2003 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2005 BMW 748 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2005 BMW 748 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 748 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 362 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 275 Nm | 500 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 90.4 mm | 88.3 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1305 kg | 1910 kg |
| Vehicle Length | 4440 mm | 5040 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2600 mm | 3000 mm |
