2007 Audi A4 vs. 1999 Opel Signum
To start off, 2007 Audi A4 is newer by 8 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 2,198 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 8 more horse power than 1999 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 101 kg more than 2007 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Audi A4 (225 Nm @ 1750 RPM) has 4 more torque (in Nm) than 1999 Opel Signum. (221 Nm @ 3800 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2007 Audi A4 | 1999 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 153 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 225 Nm | 221 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 94.6 mm |
| Acceleration 0-100mph | 8.6 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1434 kg | 1535 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 60 L |
