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 4,966 cc (8 cylinders), 1999 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz S (302 HP) has 46 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 1999 Mercedes-Benz S should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz S weights approximately 694 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (460 Nm @ 2700 RPM) has 130 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 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 | 3123 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 256 HP | 302 HP |
| Torque | 330 Nm | 460 Nm |
| Torque RPM | 3250 RPM | 2700 RPM |
| Engine Compression Ratio | 13.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1854 kg |
| Vehicle Length | 5060 mm | 5170 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 |
