2009 Audi Q7 vs. 1998 Opel Signum
To start off, 2009 Audi Q7 is newer by 11 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 4,163 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (350 HP @ 6800 RPM) has 251 more horse power than 1998 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1998 Opel Signum.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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, 2009 Audi Q7 (441 Nm @ 3500 RPM) has 256 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 1500 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum. 2009 Audi Q7 has automatic transmission and 1998 Opel Signum has manual transmission. 1998 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 1998 Opel Signum | |
| Make | Audi | Opel |
| Model | Q7 | Signum |
| Year Released | 2009 | 1998 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1909 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 99 HP |
| Engine RPM | 6800 RPM | 3120 RPM |
| Torque | 441 Nm | 185 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 12.5:1 | 18.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1740 mm | 1470 mm |
| Wheelbase Size | 3010 mm | 2840 mm |
| Fuel Tank Capacity | 100 L | 60 L |
