2003 Acura RSX vs. 2005 Audi A8
To start off, 2005 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Acura RSX. In addition, the cost of maintenance, including insurance, on 2003 Acura RSX would be higher. At 4,134 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (322 HP @ 3750 RPM) has 162 more horse power than 2003 Acura RSX. (160 HP @ 6500 RPM) In normal driving conditions, 2005 Audi A8 should accelerate faster than 2003 Acura RSX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 723 kg more than 2003 Acura RSX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Acura RSX. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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, 2005 Audi A8 (650 Nm @ 1600 RPM) has 459 more torque (in Nm) than 2003 Acura RSX. (191 Nm @ 4000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Acura RSX. 2005 Audi A8 has automatic transmission and 2003 Acura RSX has manual transmission. 2003 Acura RSX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Acura RSX | 2005 Audi A8 | |
| Make | Acura | Audi |
| Model | RSX | A8 |
| Year Released | 2003 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 4134 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 160 HP | 322 HP |
| Engine RPM | 6500 RPM | 3750 RPM |
| Torque | 191 Nm | 650 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 86 mm | 95.5 mm |
| Engine Compression Ratio | 9.8:1 | 16.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1222 kg | 1945 kg |
| Vehicle Length | 4380 mm | 5070 mm |
| Vehicle Width | 1730 mm | 1900 mm |
| Vehicle Height | 1410 mm | 1450 mm |
| Wheelbase Size | 2540 mm | 2950 mm |
| Fuel Consumption Overall | 7.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 50 L | 90 L |
