1999 Oldsmobile Aurora vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Oldsmobile Aurora. In addition, the cost of maintenance, including insurance, on 1999 Oldsmobile Aurora would be higher. At 3,995 cc (8 cylinders), 1999 Oldsmobile Aurora is equipped with a bigger engine. In terms of performance, 1999 Oldsmobile Aurora (251 HP @ 5600 RPM) has 128 more horse power than 2007 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 1999 Oldsmobile Aurora should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Oldsmobile Aurora weights approximately 325 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, 1999 Oldsmobile Aurora (353 Nm @ 4000 RPM) has 73 more torque (in Nm) than 2007 Opel Astra. (280 Nm @ 2000 RPM). This means 1999 Oldsmobile Aurora will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 1999 Oldsmobile Aurora | 2007 Opel Astra | |
| Make | Oldsmobile | Opel |
| Model | Aurora | Astra |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3995 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 251 HP | 123 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 353 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 10.3:1 | 17.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1720 kg | 1395 kg |
| Vehicle Length | 5220 mm | 4260 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 52 L |
