2009 Acura RDX vs. 1991 Opel Omega
To start off, 2009 Acura RDX is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Opel Omega. In addition, the cost of maintenance, including insurance, on 1991 Opel Omega would be higher. At 2,297 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (237 HP @ 6000 RPM) has 127 more horse power than 1991 Opel Omega. (110 HP @ 5200 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 1991 Opel Omega. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 454 kg more than 1991 Opel Omega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Omega. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Acura RDX (260 Nm @ 4500 RPM) has 98 more torque (in Nm) than 1991 Opel Omega. (162 Nm @ 4600 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Omega. 2009 Acura RDX has automatic transmission and 1991 Opel Omega has manual transmission. 1991 Opel Omega will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Acura RDX | 1991 Opel Omega | |
| Make | Acura | Opel |
| Model | RDX | Omega |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 237 HP | 110 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 260 Nm | 162 Nm |
| Torque RPM | 4500 RPM | 4600 RPM |
| Engine Compression Ratio | 8.8:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 1330 kg |
| Vehicle Length | 4600 mm | 4740 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1660 mm | 1490 mm |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Tank Capacity | 68 L | 70 L |
