2008 Acura RDX vs. 1991 Opel Astra
To start off, 2008 Acura RDX is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 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 158 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 2008 Acura RDX should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Acura RDX weights approximately 320 kg more than 1991 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 1991 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 185 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 2008 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2008 Acura RDX has automatic transmission and 1991 Opel Astra has manual transmission. 1991 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 | 1991 Opel Astra | |
| Make | Acura | Opel |
| Model | RDX | Astra |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 82 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Torque | 353 Nm | 168 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Compression Ratio | 8.8:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1130 kg |
| Vehicle Length | 4600 mm | 4060 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1660 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2640 mm |
| Fuel Tank Capacity | 68 L | 75 L |
