2005 Acura RSX vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Acura RSX. In addition, the cost of maintenance, including insurance, on 2005 Acura RSX would be higher. At 1,999 cc (4 cylinders), 2005 Acura RSX is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (208 HP @ 4300 RPM) has 48 more horse power than 2005 Acura RSX. (160 HP @ 5600 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Acura RSX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 271 kg more than 2005 Acura RSX. 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, 2009 Audi A4 (350 Nm) has 159 more torque (in Nm) than 2005 Acura RSX. (191 Nm). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura RSX. 2005 Acura RSX has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Acura RSX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Acura RSX | 2009 Audi A4 | |
| Make | Acura | Audi |
| Model | RSX | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 160 HP | 208 HP |
| Engine RPM | 5600 RPM | 4300 RPM |
| Torque | 191 Nm | 350 Nm |
| Engine Bore Size | 86 mm | 82.5 mm |
| Engine Stroke Size | 86 mm | 92.8 mm |
| Engine Compression Ratio | 9.8:1 | 9.6:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1274 kg | 1545 kg |
| Vehicle Length | 4390 mm | 4710 mm |
| Vehicle Width | 1730 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2810 mm |
| Fuel Consumption Overall | 8.4 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 50 L | 64 L |
