2006 Opel Signum vs. 2002 Pontiac Grand Am
To start off, 2006 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 2002 Pontiac Grand Am would be higher. At 3,349 cc (6 cylinders), 2002 Pontiac Grand Am is equipped with a bigger engine. In terms of performance, both vehicles can yield 175 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 256 kg more than 2002 Pontiac Grand Am.
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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 85 more torque (in Nm) than 2002 Pontiac Grand Am. (285 Nm @ 4000 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2002 Pontiac Grand Am. 2002 Pontiac Grand Am has automatic transmission and 2006 Opel Signum has manual transmission. 2006 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Pontiac Grand Am will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Signum | 2002 Pontiac Grand Am | |
| Make | Opel | Pontiac |
| Model | Signum | Grand Am |
| Year Released | 2006 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3349 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 175 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 370 Nm | 285 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 87.5 mm | 92 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1414 kg |
| Vehicle Length | 4640 mm | 4740 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Tank Capacity | 60 L | 54 L |
