2005 Opel Signum vs. 2001 Pontiac Sunfire
To start off, 2005 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Pontiac Sunfire. In addition, the cost of maintenance, including insurance, on 2001 Pontiac Sunfire would be higher. At 2,198 cc (4 cylinders), 2001 Pontiac Sunfire is equipped with a bigger engine. In terms of performance, 2001 Pontiac Sunfire (140 HP @ 5600 RPM) has 41 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2001 Pontiac Sunfire should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 396 kg more than 2001 Pontiac Sunfire.
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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 20 more torque (in Nm) than 2001 Pontiac Sunfire. (210 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2001 Pontiac Sunfire. 2001 Pontiac Sunfire has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Pontiac Sunfire will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 2001 Pontiac Sunfire | |
| Make | Opel | Pontiac |
| Model | Signum | Sunfire |
| Year Released | 2005 | 2001 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 140 HP |
| Engine RPM | 3120 RPM | 5600 RPM |
| Torque | 230 Nm | 210 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 94.6 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1199 kg |
| Vehicle Length | 4640 mm | 4620 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2740 mm | 2650 mm |
| Fuel Tank Capacity | 60 L | 54 L |
