2003 Audi A6 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,976 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (217 HP @ 6300 RPM) has 42 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 25 kg more than 2003 Audi A6.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2003 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 50 more torque (in Nm) than 2003 Audi A6. (320 Nm @ 3200 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2006 Opel Signum has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | A6 | Signum |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 175 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1900 RPM |
| Engine Bore Size | 82.5 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 238 km/hour | 221 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 9.4 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 | 1645 kg | 1670 kg |
| Vehicle Length | 4800 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2430 mm | 2840 mm |
| Fuel Consumption Overall | 11.5 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
