2005 Audi S4 vs. 2011 Acura RDX
To start off, 2011 Acura RDX is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 100 more horse power than 2011 Acura RDX. (240 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2011 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2011 Acura RDX weights approximately 48 kg more than 2005 Audi S4.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 58 more torque (in Nm) than 2011 Acura RDX. (352 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Acura RDX.
Compare all specifications:
| 2005 Audi S4 | 2011 Acura RDX | |
| Make | Audi | Acura |
| Model | S4 | RDX |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2300 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 240 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 410 Nm | 352 Nm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1783 kg |
| Vehicle Length | 4550 mm | 4636 mm |
| Vehicle Width | 1770 mm | 1869 mm |
| Vehicle Height | 1430 mm | 1654 mm |
| Wheelbase Size | 2660 mm | 2649 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.7 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 63 L | 68 L |
