2009 Acura RDX vs. 2004 Audi A4
To start off, 2009 Acura RDX is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 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 50 more horse power than 2004 Audi A4. (187 HP @ 5700 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 334 kg more than 2004 Audi A4. 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 2004 Audi A4. 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 25 more torque (in Nm) than 2004 Audi A4. (235 Nm @ 1950 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2009 Acura RDX has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 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 | 2004 Audi A4 | |
| Make | Acura | Audi |
| Model | RDX | A4 |
| Year Released | 2009 | 2004 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 237 HP | 187 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 260 Nm | 235 Nm |
| Torque RPM | 4500 RPM | 1950 RPM |
| Engine Compression Ratio | 8.8:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 1450 kg |
| Vehicle Length | 4600 mm | 4590 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1660 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Highway | 10.7 L/100km | 6.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11.6 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 68 L | 70 L |
