2006 BMW 523 vs. 2000 Opel Signum
To start off, 2006 BMW 523 is newer by 6 year(s). Which means there will be less support and parts availability for 2000 Opel Signum. In addition, the cost of maintenance, including insurance, on 2000 Opel Signum would be higher. At 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2006 BMW 523 (175 HP @ 5800 RPM) has 52 more horse power than 2000 Opel Signum. (123 HP @ 3250 RPM). In normal driving conditions, 2006 BMW 523 should accelerate faster than 2000 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 523 weights approximately 22 kg more than 2000 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 523 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 2006 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2000 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, 2000 Opel Signum (280 Nm @ 1500 RPM) has 50 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2000 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2006 BMW 523 | 2000 Opel Signum | |
| Make | BMW | Opel |
| Model | 523 | Signum |
| Year Released | 2006 | 2000 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2172 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 123 HP |
| Engine RPM | 5800 RPM | 3250 RPM |
| Torque | 230 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 9 seconds | 11.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1632 kg | 1610 kg |
| Vehicle Length | 4850 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 10.9 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
