2009 Audi A8 vs. 1999 Mercedes-Benz S
To start off, 2009 Audi A8 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz S would be higher. At 5,789 cc (12 cylinders), 1999 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz S (362 HP @ 5500 RPM) has 12 more horse power than 2009 Audi A8. (350 HP @ 6800 RPM) In normal driving conditions, 1999 Mercedes-Benz S should accelerate faster than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 will offer significantly more control. 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, 1999 Mercedes-Benz S (540 Nm @ 4250 RPM) has 98 more torque (in Nm) than 2009 Audi A8. (442 Nm @ 3500 RPM). This means 1999 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 1999 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | S |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5789 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 350 HP | 362 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 442 Nm | 540 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Engine Bore Size | 84.5 mm | 84.1 mm |
| Engine Stroke Size | 92.8 mm | 87 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5070 mm | 5160 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1460 mm |
| Wheelbase Size | 2950 mm | 3090 mm |
| Fuel Tank Capacity | 90 L | 88 L |
