2001 Audi A8 vs. 2001 Opel Signum
To start off, both 2001 Audi A8 and 2001 Opel Signum were released in the same year (2001). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,936 cc (8 cylinders), 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Audi A8 (271 HP @ 3750 RPM) has 63 more horse power than 2001 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2001 Audi A8 should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 250 kg more than 2001 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2001 Audi A8 will offer significantly more control. 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 Audi A8 (320 Nm @ 1800 RPM) has 20 more torque (in Nm) than 2001 Opel Signum. (300 Nm @ 4000 RPM). This means 2001 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum.
Compare all specifications:
| 2001 Audi A8 | 2001 Opel Signum | |
| Make | Audi | Opel |
| Model | A8 | Signum |
| Year Released | 2001 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 3173 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 208 HP |
| Engine RPM | 3750 RPM | 6200 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.5 mm |
| Engine Stroke Size | 95.5 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1860 kg | 1610 kg |
| Vehicle Length | 5060 mm | 4640 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2640 mm |
| Fuel Consumption Overall | 9.7 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 90 L | 52 L |
