2006 BMW M5 vs. 1999 Alfa Romeo 156
To start off, 2006 BMW M5 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 156 would be higher. At 4,998 cc (10 cylinders), 2006 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW M5 (500 HP @ 7750 RPM) has 313 more horse power than 1999 Alfa Romeo 156. (187 HP @ 6300 RPM). In normal driving conditions, 2006 BMW M5 should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW M5 weights approximately 435 kg more than 1999 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW M5 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2006 BMW M5 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, 2006 BMW M5 (519 Nm @ 6100 RPM) has 297 more torque (in Nm) than 1999 Alfa Romeo 156. (222 Nm @ 5000 RPM). This means 2006 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 156.
Compare all specifications:
| 2006 BMW M5 | 1999 Alfa Romeo 156 | |
| Make | BMW | Alfa Romeo |
| Model | M5 | 156 |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 2491 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 187 HP |
| Engine RPM | 7750 RPM | 6300 RPM |
| Torque | 519 Nm | 222 Nm |
| Torque RPM | 6100 RPM | 5000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1755 kg | 1320 kg |
| Vehicle Length | 4860 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2600 mm |
| Fuel Tank Capacity | 70 L | 63 L |
