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 1,995 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (200 HP @ 5100 RPM) has 101 more horse power than 1999 Opel Signum. (99 HP @ 3120 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. 2007 Audi A4 weights approximately 285 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, 2007 Audi A4 (282 Nm @ 1800 RPM) has 42 more torque (in Nm) than 1999 Opel Signum. (240 Nm @ 1500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum. 2007 Audi A4 has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1999 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2007 | 1999 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 99 HP |
| Engine RPM | 5100 RPM | 3120 RPM |
| Torque | 282 Nm | 240 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1595 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
