2001 Lotec Sirius vs. 1998 Opel Signum
To start off, 2001 Lotec Sirius is newer by 3 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 5,987 cc (12 cylinders), 2001 Lotec Sirius is equipped with a bigger engine. In terms of performance, 2001 Lotec Sirius (1,185 HP @ 6800 RPM) has 1086 more horse power than 1998 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2001 Lotec Sirius should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 315 kg more than 2001 Lotec Sirius.
Because 2001 Lotec Sirius 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 Lotec Sirius. However, in wet, icy, snow, or gravel driving conditions, 1998 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 Lotec Sirius (1,346 Nm @ 3400 RPM) has 1161 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 1500 RPM). This means 2001 Lotec Sirius will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2001 Lotec Sirius | 1998 Opel Signum | |
| Make | Lotec | Opel |
| Model | Sirius | Signum |
| Year Released | 2001 | 1998 |
| Body Type | Coupe | Hatchback |
| Engine Position | Middle | Front |
| Engine Size | 5987 cc | 1909 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 1185 HP | 99 HP |
| Engine RPM | 6800 RPM | 3120 RPM |
| Torque | 1346 Nm | 185 Nm |
| Torque RPM | 3400 RPM | 1500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1595 kg |
| Vehicle Length | 4130 mm | 4640 mm |
| Vehicle Width | 2090 mm | 1800 mm |
| Vehicle Height | 1130 mm | 1470 mm |
