2002 Alfa Romeo 156 vs. 2006 Pontiac Grand Prix
To start off, 2006 Pontiac Grand Prix is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 3,786 cc (6 cylinders), 2006 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2006 Pontiac Grand Prix (200 HP) has 27 more horse power than 2002 Alfa Romeo 156. (173 HP) In normal driving conditions, 2006 Pontiac Grand Prix should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Pontiac Grand Prix weights approximately 153 kg more than 2002 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Pontiac Grand Prix is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Pontiac Grand Prix. However, in wet, icy, snow, or gravel driving conditions, 2002 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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, 2002 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 73 more torque (in Nm) than 2006 Pontiac Grand Prix. (312 Nm @ 4000 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Pontiac Grand Prix. 2006 Pontiac Grand Prix has automatic transmission and 2002 Alfa Romeo 156 has manual transmission. 2002 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2006 Pontiac Grand Prix | |
| Make | Alfa Romeo | Pontiac |
| Model | 156 | Grand Prix |
| Year Released | 2002 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3786 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 200 HP |
| Torque | 385 Nm | 312 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1633 kg |
| Vehicle Length | 4440 mm | 5040 mm |
| Vehicle Width | 1750 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2810 mm |
| Fuel Consumption Overall | 6.6 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
