1996 Alfa Romeo 155 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 13 year(s). Which means there will be less support and parts availability for 1996 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1996 Alfa Romeo 155 would be higher. At 2,979 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 1996 Alfa Romeo 155 (493 HP @ 11700 RPM) has 158 more horse power than 2009 BMW Z4. (335 HP @ 7900 RPM). In normal driving conditions, 1996 Alfa Romeo 155 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 485 kg more than 1996 Alfa Romeo 155.
Let's talk about torque, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 15 more torque (in Nm) than 1996 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 155.
Compare all specifications:
| 1996 Alfa Romeo 155 | 2009 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 155 | Z4 |
| Year Released | 1996 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 335 HP |
| Engine RPM | 11700 RPM | 7900 RPM |
| Torque | 300 Nm | 315 Nm |
| Torque RPM | 9500 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1525 kg |
