2004 Opel Astra vs. 2007 Opel Zafira
To start off, 2007 Opel Zafira is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 2,198 cc (4 cylinders), 2007 Opel Zafira is equipped with a bigger engine. In terms of performance, 2007 Opel Zafira (148 HP @ 5600 RPM) has 48 more horse power than 2004 Opel Astra. (100 HP @ 6200 RPM) In normal driving conditions, 2007 Opel Zafira should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Zafira weights approximately 245 kg more than 2004 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 Zafira (215 Nm @ 4000 RPM) has 73 more torque (in Nm) than 2004 Opel Astra. (142 Nm @ 3600 RPM). This means 2007 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2007 Opel Zafira has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Zafira will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 2007 Opel Zafira | |
| Make | Opel | Opel |
| Model | Astra | Zafira |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1584 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 148 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 142 Nm | 215 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 79 mm | 86 mm |
| Engine Stroke Size | 81.5 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1350 kg | 1595 kg |
| Vehicle Length | 4280 mm | 4320 mm |
| Vehicle Width | 1720 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1640 mm |
| Wheelbase Size | 2620 mm | 2700 mm |
| Fuel Tank Capacity | 52 L | 58 L |
