2008 Audi S4 vs. 2005 Audi A8
To start off, 2008 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (444 HP @ 6500 RPM) has 104 more horse power than 2008 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2005 Audi A8 should accelerate faster than 2008 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 260 kg more than 2005 Audi A8.
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, 2005 Audi A8 (560 Nm @ 4000 RPM) has 150 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4. 2005 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. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2008 Audi S4 | 2005 Audi A8 | |
Make | Audi | Audi |
Model | S4 | A8 |
Year Released | 2008 | 2005 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4163 cc | 5998 cc |
Engine Type | V | W |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 340 HP | 444 HP |
Engine RPM | 7000 RPM | 6500 RPM |
Torque | 410 Nm | 560 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Compression Ratio | 11.0:1 | 11.0:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 250 km/hour | 245 km/hour |
Acceleration 0-100mph | 5.9 seconds | 5.2 seconds |
Drive Type | 4WD | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1160 kg | 900 kg |
Vehicle Length | 4580 mm | 5190 mm |
Vehicle Width | 1790 mm | 1900 mm |
Vehicle Height | 1450 mm | 1460 mm |
Wheelbase Size | 2660 mm | 3080 mm |
Fuel Consumption Overall | 13.8 L/100km | 13.8 L/100km |
Fuel Tank Capacity | 63 L | 90 L |