2003 Alfa Romeo 156 vs. 2004 BMW 745
To start off, 2004 BMW 745 is newer by 1 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 4,390 cc (8 cylinders), 2004 BMW 745 is equipped with a bigger engine. In terms of performance, 2004 BMW 745 (322 HP @ 7400 RPM) has 184 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6200 RPM) In normal driving conditions, 2004 BMW 745 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 745 weights approximately 685 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 2004 BMW 745 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 2004 BMW 745. 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, 2004 BMW 745 (447 Nm) has 283 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm). This means 2004 BMW 745 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 | 2004 BMW 745 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 745 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 4390 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 322 HP |
| Engine RPM | 6200 RPM | 7400 RPM |
| Torque | 164 Nm | 447 Nm |
| Engine Bore Size | 82 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 83 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1340 kg | 2025 kg |
| Vehicle Length | 4440 mm | 5180 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2600 mm | 3140 mm |
| Fuel Consumption Overall | 8.5 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
