2006 Audi S4 vs. 2003 Opel Vectra
To start off, 2006 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 165 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 116 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 40 more torque (in Nm) than 2003 Opel Vectra. (370 Nm @ 1900 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2003 Opel Vectra has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi S4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | S4 | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 174 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 84.6 mm | 87.5 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Acceleration 0-100mph | 5.8 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1764 kg |
| Vehicle Length | 4590 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2650 mm | 2840 mm |
| Fuel Consumption Overall | 13.4 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
