2009 Audi A8 vs. 2007 Audi S4
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 5,204 cc (10 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 7000 RPM) has 104 more horse power than 2007 Audi S4. (340 HP @ 6800 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2007 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 410 kg more than 2007 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Audi A8 (540 Nm @ 3500 RPM) has 130 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
2009 Audi A8 | 2007 Audi S4 | |
Make | Audi | Audi |
Model | A8 | S4 |
Year Released | 2009 | 2007 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 5204 cc | 4161 cc |
Engine Cylinders | 10 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 5 valves |
Horse Power | 444 HP | 340 HP |
Engine RPM | 7000 RPM | 6800 RPM |
Torque | 540 Nm | 410 Nm |
Torque RPM | 3500 RPM | 3500 RPM |
Fuel Type | Gasoline - Premium | Diesel |
Drive Type | 4WD | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1940 kg | 1530 kg |
Vehicle Length | 5070 mm | 4590 mm |
Vehicle Width | 1900 mm | 1790 mm |
Vehicle Height | 1430 mm | 1420 mm |
Wheelbase Size | 2950 mm | 2660 mm |
Fuel Consumption Highway | 12.4 L/100km | 10.2 L/100km |
Fuel Consumption City | 18.2 L/100km | 15.7 L/100km |
Fuel Consumption Overall | 15.8 L/100km | 13.1 L/100km |
Fuel Tank Capacity | 90 L | 63 L |