2008 Audi S4 vs. 2010 Acura RDX
To start off, 2010 Acura RDX is newer by 2 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (339 HP @ 7000 RPM) has 99 more horse power than 2010 Acura RDX. (240 HP @ 6000 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2010 Acura RDX. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 12 kg more than 2010 Acura RDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 58 more torque (in Nm) than 2010 Acura RDX. (352 Nm @ 4500 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Acura RDX. 2010 Acura RDX has automatic transmission and 2008 Audi S4 has manual transmission. 2008 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S4 | 2010 Acura RDX | |
| Make | Audi | Acura |
| Model | S4 | RDX |
| Year Released | 2008 | 2010 |
| Body Type | Station Wagon | 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 | 339 HP | 240 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 352 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1795 kg | 1783 kg |
| Vehicle Length | 4580 mm | 4636 mm |
| Vehicle Width | 1790 mm | 1869 mm |
| Vehicle Height | 1450 mm | 1654 mm |
| Wheelbase Size | 2660 mm | 2649 mm |
| Fuel Tank Capacity | 66 L | 68 L |
