2009 Alfa Romeo 159 vs. 1991 Porsche 928
To start off, 2009 Alfa Romeo 159 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP @ 5900 RPM) has 50 more horse power than 2009 Alfa Romeo 159. (256 HP @ 6200 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2009 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 159 weights approximately 318 kg more than 1991 Porsche 928.
Because 2009 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo 159 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, 1991 Porsche 928 (408 Nm @ 4100 RPM) has 86 more torque (in Nm) than 2009 Alfa Romeo 159. (322 Nm @ 4500 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo 159.
Compare all specifications:
| 2009 Alfa Romeo 159 | 1991 Porsche 928 | |
| Make | Alfa Romeo | Porsche |
| Model | 159 | 928 |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 306 HP |
| Engine RPM | 6200 RPM | 5900 RPM |
| Torque | 322 Nm | 408 Nm |
| Torque RPM | 4500 RPM | 4100 RPM |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 240 km/hour | 319 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1848 kg | 1530 kg |
| Vehicle Length | 4670 mm | 4530 mm |
| Vehicle Width | 1830 mm | 2060 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2710 mm | 2510 mm |
| Fuel Tank Capacity | 70 L | 76 L |
