1999 Audi S8 vs. 2009 Mercedes-Benz CLS
To start off, 2009 Mercedes-Benz CLS is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 6,207 cc (8 cylinders), 2009 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 172 more horse power than 1999 Audi S8. (335 HP @ 7000 RPM) In normal driving conditions, 2009 Mercedes-Benz CLS should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLS weights approximately 175 kg more than 1999 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 2009 Mercedes-Benz CLS (630 Nm @ 5200 RPM) has 299 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2009 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 2009 Mercedes-Benz CLS has automatic transmission and 1999 Audi S8 has manual transmission. 1999 Audi S8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2009 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | CLS |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 6207 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 507 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 331 Nm | 630 Nm |
| Torque RPM | 3400 RPM | 5200 RPM |
| Engine Bore Size | 84.5 mm | 102.2 mm |
| Engine Stroke Size | 93 mm | 94.6 mm |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 4.5 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1905 kg |
| Vehicle Length | 5040 mm | 4920 mm |
| Vehicle Width | 1890 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 13.7 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
