2006 Alfa Romeo 156 vs. 1999 BMW 845
To start off, 2006 Alfa Romeo 156 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW 845. In addition, the cost of maintenance, including insurance, on 1999 BMW 845 would be higher. At 4,398 cc (8 cylinders), 1999 BMW 845 is equipped with a bigger engine. In terms of performance, 1999 BMW 845 (282 HP @ 5700 RPM) has 134 more horse power than 2006 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 1999 BMW 845 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 845 weights approximately 145 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW 845. In wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 156 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, 1999 BMW 845 (420 Nm @ 3900 RPM) has 115 more torque (in Nm) than 2006 Alfa Romeo 156. (305 Nm @ 2000 RPM). This means 1999 BMW 845 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 156 | 1999 BMW 845 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | 845 |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 282 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 305 Nm | 420 Nm |
| Torque RPM | 2000 RPM | 3900 RPM |
| Engine Bore Size | 82 mm | 92 mm |
| Engine Stroke Size | 90.4 mm | 82.7 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1605 kg | 1750 kg |
| Vehicle Length | 4450 mm | 4790 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1350 mm |
| Wheelbase Size | 2600 mm | 2690 mm |
