2007 Audi A6 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 3,175 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (208 HP @ 6200 RPM) has 29 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 85 kg more than 2008 Opel Signum.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Audi A6 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 A6 (380 Nm @ 1400 RPM) has 80 more torque (in Nm) than 2008 Opel Signum. (300 Nm @ 4000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum. 2008 Opel Signum has automatic transmission and 2007 Audi A6 has manual transmission. 2007 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 2008 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 208 HP |
| Engine RPM | 3300 RPM | 6200 RPM |
| Torque | 380 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 87.5 mm |
| Engine Stroke Size | 83.1 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 223 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 7.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1695 kg | 1610 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
