2004 Alfa Romeo 156 vs. 2000 BMW Z9
To start off, 2004 Alfa Romeo 156 is newer by 4 year(s). Which means there will be less support and parts availability for 2000 BMW Z9. In addition, the cost of maintenance, including insurance, on 2000 BMW Z9 would be higher. At 4,398 cc (8 cylinders), 2000 BMW Z9 is equipped with a bigger engine. In terms of performance, 2000 BMW Z9 (282 HP @ 5400 RPM) has 134 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2000 BMW Z9 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2000 BMW Z9 weights approximately 161 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2000 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2004 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, 2000 BMW Z9 (440 Nm @ 3600 RPM) has 140 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 2000 RPM). This means 2000 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2000 BMW Z9 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | Z9 |
| Year Released | 2004 | 2000 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 282 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 300 Nm | 440 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 82 mm | 92 mm |
| Engine Stroke Size | 90.4 mm | 82.7 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1686 kg |
| Vehicle Width | 1750 mm | 1980 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2600 mm | 2960 mm |
