2008 Acura RDX vs. 2005 Opel Astra
To start off, 2008 Acura RDX is newer by 3 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 2,299 cc (4 cylinders), 2008 Acura RDX is equipped with a bigger engine. In terms of performance, 2008 Acura RDX (240 HP @ 4500 RPM) has 95 more horse power than 2005 Opel Astra. (145 HP @ 5800 RPM). In normal driving conditions, 2008 Acura RDX should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Acura RDX weights approximately 269 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 Acura RDX will offer significantly more control. 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, 2008 Acura RDX (353 Nm @ 4500 RPM) has 150 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2008 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2008 Acura RDX 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. 2008 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Acura RDX | 2005 Opel Astra | |
| Make | Acura | Opel |
| Model | RDX | Astra |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 145 HP |
| Engine RPM | 4500 RPM | 5800 RPM |
| Torque | 353 Nm | 203 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1181 kg |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 68 L | 52 L |
