2005 Audi S4 vs. 2013 Acura RDX
To start off, 2013 Acura RDX is newer by 8 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 4,172 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 100 more horse power than 2013 Acura RDX. (240 HP @ 6200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2013 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 36 kg more than 2013 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 70 more torque (in Nm) than 2013 Acura RDX. (340 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2013 Acura RDX.
Compare all specifications:
| 2005 Audi S4 | 2013 Acura RDX | |
| Make | Audi | Acura |
| Model | S4 | RDX |
| Year Released | 2005 | 2013 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2300 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 240 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 410 Nm | 340 Nm |
| Engine Bore Size | 85 mm | 89 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1785 kg | 1749 kg |
| Vehicle Length | 4550 mm | 4660 mm |
| Vehicle Width | 1770 mm | 1872 mm |
| Vehicle Height | 1430 mm | 1678 mm |
| Wheelbase Size | 2470 mm | 2685 mm |
| Fuel Consumption Highway | 11.2 L/100km | 7.3 L/100km |
| Fuel Consumption City | 15.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 66 L | 60 L |
