2004 Alfa Romeo 156 vs. 1991 Porsche 964
To start off, 2004 Alfa Romeo 156 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Porsche 964. In addition, the cost of maintenance, including insurance, on 1991 Porsche 964 would be higher. At 3,600 cc (6 cylinders), 1991 Porsche 964 is equipped with a bigger engine. In terms of performance, 1991 Porsche 964 (261 HP @ 6100 RPM) has 123 more horse power than 2004 Alfa Romeo 156. (138 HP @ 4000 RPM) In normal driving conditions, 1991 Porsche 964 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 225 kg more than 1991 Porsche 964.
Because 1991 Porsche 964 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 1991 Porsche 964 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 964 (318 Nm @ 4800 RPM) has 13 more torque (in Nm) than 2004 Alfa Romeo 156. (305 Nm @ 2000 RPM). This means 1991 Porsche 964 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 | 1991 Porsche 964 | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | 964 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 1910 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 261 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 305 Nm | 318 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 82.1 mm | 100.1 mm |
| Engine Stroke Size | 90.4 mm | 76.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1205 kg |
| Vehicle Length | 4450 mm | 4260 mm |
| Vehicle Width | 1750 mm | 1660 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2710 mm | 2280 mm |
| Fuel Tank Capacity | 63 L | 73 L |
