1991 Opel Astra vs. 2011 Acura RDX
To start off, 2011 Acura RDX is newer by 20 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 2,300 cc (4 cylinders), 2011 Acura RDX is equipped with a bigger engine. In terms of performance, 2011 Acura RDX (240 HP @ 6000 RPM) has 158 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 2011 Acura RDX should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Acura RDX weights approximately 568 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.
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, 2011 Acura RDX (352 Nm @ 4500 RPM) has 184 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 2011 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2011 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. 2011 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 2011 Acura RDX | |
| Make | Opel | Acura |
| Model | Astra | RDX |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 2300 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 82 HP | 240 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 168 Nm | 352 Nm |
| Torque RPM | 2400 RPM | 4500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1130 kg | 1698 kg |
| Vehicle Length | 4060 mm | 4636 mm |
| Vehicle Width | 1690 mm | 1869 mm |
| Vehicle Height | 1430 mm | 1654 mm |
| Wheelbase Size | 2640 mm | 2649 mm |
| Fuel Tank Capacity | 75 L | 68 L |
