2004 Honda Civic vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Honda Civic. In addition, the cost of maintenance, including insurance, on 2004 Honda Civic would be higher. At 1,685 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Honda Civic (108 HP @ 5600 RPM) has 9 more horse power than 2007 Opel Astra. (99 HP @ 4400 RPM). In normal driving conditions, 2004 Honda Civic should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 525 kg more than 2004 Honda Civic.
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 @ 2300 RPM) has 96 more torque (in Nm) than 2004 Honda Civic. (144 Nm @ 4300 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Honda Civic.
Compare all specifications:
| 2004 Honda Civic | 2007 Opel Astra | |
| Make | Honda | Opel |
| Model | Civic | Astra |
| Year Released | 2004 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1668 cc | 1685 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 99 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 144 Nm | 240 Nm |
| Torque RPM | 4300 RPM | 2300 RPM |
| Engine Bore Size | 75.1 mm | 79 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 18.4:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 10.3 seconds | 12.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 840 kg | 1365 kg |
| Vehicle Length | 4290 mm | 4260 mm |
| Vehicle Width | 1720 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2540 mm | 2620 mm |
| Fuel Consumption Overall | 6.7 L/100km | 5 L/100km |
| Fuel Tank Capacity | 50 L | 52 L |
