2008 Audi S4 vs. 2008 Audi A8
To start off, both 2008 Audi S4 and 2008 Audi A8 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 110 more horse power than 2008 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2008 Audi S4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 A8 (580 Nm @ 4000 RPM) has 170 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4. 2008 Audi A8 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. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S4 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | S4 | A8 |
| Year Released | 2008 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5998 cc |
| Engine Type | V | W |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 450 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 410 Nm | 580 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4590 mm | 5200 mm |
| Vehicle Width | 1790 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 3080 mm |
| Fuel Consumption Highway | 11.8 L/100km | 11.2 L/100km |
| Fuel Consumption City | 18.1 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
