2007 Opel Astra vs. 2004 Volkswagen Passat
To start off, 2007 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2004 Volkswagen Passat would be higher. At 1,786 cc (4 cylinders), 2004 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2004 Volkswagen Passat (170 HP @ 4000 RPM) has 70 more horse power than 2007 Opel Astra. (100 HP @ 4400 RPM) In normal driving conditions, 2004 Volkswagen Passat should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Volkswagen Passat weights approximately 105 kg more than 2007 Opel Astra. 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, 2007 Opel Astra (240 Nm) has 15 more torque (in Nm) than 2004 Volkswagen Passat. (225 Nm). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Volkswagen Passat.
Compare all specifications:
| 2007 Opel Astra | 2004 Volkswagen Passat | |
| Make | Opel | Volkswagen |
| Model | Astra | Passat |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 1786 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 100 HP | 170 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 240 Nm | 225 Nm |
| Engine Bore Size | 79 mm | 81 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 18.4:1 | 9.3:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1470 kg |
| Vehicle Length | 4300 mm | 4710 mm |
| Vehicle Width | 1760 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Consumption | 4.2 L/100km | 7.6 L/100km |
| Fuel Consumption Overall | 5 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 52 L | 62 L |
