2009 Acura RDX vs. 1999 Audi A4
To start off, 2009 Acura RDX is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,300 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 4150 RPM) has 7 more horse power than 2009 Acura RDX. (240 HP @ 6000 RPM) In normal driving conditions, 1999 Audi A4 should accelerate faster than 2009 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 115 kg more than 1999 Audi A4.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1999 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 (353 Nm @ 4500 RPM) has 32 more torque (in Nm) than 1999 Audi A4. (321 Nm @ 1900 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 2009 Acura RDX | 1999 Audi A4 | |
| Make | Acura | Audi |
| Model | RDX | A4 |
| Year Released | 2009 | 1999 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2300 cc | 1896 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 247 HP |
| Engine RPM | 6000 RPM | 4150 RPM |
| Torque | 353 Nm | 321 Nm |
| Torque RPM | 4500 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1335 kg |
| Vehicle Length | 4600 mm | 4480 mm |
| Vehicle Width | 1880 mm | 1740 mm |
| Vehicle Height | 1660 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Tank Capacity | 68 L | 62 L |
