2005 Opel Astra vs. 2007 Saturn Aura
To start off, 2007 Saturn Aura is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 3,598 cc (6 cylinders), 2007 Saturn Aura is equipped with a bigger engine. In terms of performance, 2007 Saturn Aura (252 HP @ 5800 RPM) has 155 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM) In normal driving conditions, 2007 Saturn Aura should accelerate faster than 2005 Opel Astra.
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 Saturn Aura (340 Nm @ 3100 RPM) has 198 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2007 Saturn Aura will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 Saturn Aura has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Saturn Aura will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2007 Saturn Aura | |
| Make | Opel | Saturn |
| Model | Astra | Aura |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 3598 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 97 HP | 252 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 142 Nm | 340 Nm |
| Torque RPM | 3600 RPM | 3100 RPM |
| Engine Compression Ratio | 9.8:1 | 10.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Wheelbase Size | 2700 mm | 2860 mm |
