2002 Audi A4 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 2,496 cc (6 cylinders), 2002 Audi A4 is equipped with a bigger engine. In terms of performance, 2002 Audi A4 (160 HP @ 4000 RPM) has 15 more horse power than 2004 Opel Vectra. (145 HP @ 5600 RPM). In normal driving conditions, 2002 Audi A4 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A4 weights approximately 135 kg more than 2004 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, 2002 Audi A4 (310 Nm @ 1400 RPM) has 90 more torque (in Nm) than 2004 Opel Vectra. (220 Nm @ 3800 RPM). This means 2002 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra. 2004 Opel Vectra has automatic transmission and 2002 Audi A4 has manual transmission. 2002 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi A4 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2002 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 145 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 310 Nm | 220 Nm |
| Torque RPM | 1400 RPM | 3800 RPM |
| Engine Bore Size | 78.3 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 94.6 mm |
| Engine Compression Ratio | 18.5:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 217 km/hour | 218 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 9.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1455 kg |
| Vehicle Length | 4550 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption | 5.9 L/100km | 6.2 L/100km |
| Fuel Consumption City | 9.5 L/100km | 10.3 L/100km |
| Fuel Consumption Overall | 7.2 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
