2001 Opel Signum vs. 2003 Porsche Boxster
To start off, 2003 Porsche Boxster is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Porsche Boxster (225 HP @ 6300 RPM) has 50 more horse power than 2001 Opel Signum. (175 HP @ 4000 RPM) In normal driving conditions, 2003 Porsche Boxster should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 320 kg more than 2003 Porsche Boxster.
Because 2003 Porsche Boxster 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 2003 Porsche Boxster. However, in wet, icy, snow, or gravel driving conditions, 2001 Opel Signum, 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, 2001 Opel Signum (370 Nm @ 1900 RPM) has 109 more torque (in Nm) than 2003 Porsche Boxster. (261 Nm @ 4700 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Boxster.
Compare all specifications:
| 2001 Opel Signum | 2003 Porsche Boxster | |
| Make | Opel | Porsche |
| Model | Signum | Boxster |
| Year Released | 2001 | 2003 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2958 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 225 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 370 Nm | 261 Nm |
| Torque RPM | 1900 RPM | 4700 RPM |
| Engine Bore Size | 87.5 mm | 85.5 mm |
| Engine Stroke Size | 82 mm | 78 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1350 kg |
| Vehicle Length | 4640 mm | 4320 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
