2001 Alfa Romeo Centauri vs. 1999 Opel Signum
To start off, 2001 Alfa Romeo Centauri is newer by 2 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 2,959 cc (6 cylinders), 2001 Alfa Romeo Centauri is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (153 HP @ 5600 RPM) has 48 more horse power than 2001 Alfa Romeo Centauri. (105 HP @ 4000 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 2001 Alfa Romeo Centauri. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 120 kg more than 2001 Alfa Romeo Centauri. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Alfa Romeo Centauri 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 2001 Alfa Romeo Centauri. However, in wet, icy, snow, or gravel driving conditions, 1999 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 Alfa Romeo Centauri (260 Nm) has 39 more torque (in Nm) than 1999 Opel Signum. (221 Nm). This means 2001 Alfa Romeo Centauri will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2001 Alfa Romeo Centauri | 1999 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Centauri | Signum |
| Year Released | 2001 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 105 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 260 Nm | 221 Nm |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 72.6 mm | 94.6 mm |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1415 kg | 1535 kg |
| Vehicle Length | 3690 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 990 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2640 mm |
