2005 Alfa Romeo 156 vs. 1990 Pontiac Grand Prix
To start off, 2005 Alfa Romeo 156 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1990 Pontiac Grand Prix would be higher. At 3,352 cc (6 cylinders), 1990 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 1990 Pontiac Grand Prix (208 HP @ 5200 RPM) has 60 more horse power than 2005 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 1990 Pontiac Grand Prix should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1990 Pontiac Grand Prix weights approximately 289 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1990 Pontiac Grand Prix (291 Nm @ 4000 RPM) has 110 more torque (in Nm) than 2005 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 1990 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1990 Pontiac Grand Prix | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Grand Prix |
| Year Released | 2005 | 1990 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3352 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 208 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 181 Nm | 291 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1609 kg |
| Vehicle Length | 4440 mm | 4930 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1360 mm |
| Wheelbase Size | 2550 mm | 2790 mm |
| Fuel Tank Capacity | 63 L | 76 L |
