2009 Audi A6 vs. 1991 Mercedes-Benz 500
To start off, 2009 Audi A6 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 500. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 500 would be higher. At 4,971 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 16 more horse power than 1991 Mercedes-Benz 500. (326 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1991 Mercedes-Benz 500. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 500 weights approximately 472 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 500. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 1991 Mercedes-Benz 500 (480 Nm @ 3900 RPM) has 237 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 1991 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 1991 Mercedes-Benz 500 | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | 500 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 4971 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 342 HP | 326 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 243 Nm | 480 Nm |
| Torque RPM | 3250 RPM | 3900 RPM |
| Engine Bore Size | 84.6 mm | 96.5 mm |
| Engine Stroke Size | 92.7 mm | 85 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Top Speed | 209 km/hour | 249 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 2012 kg |
| Vehicle Length | 4920 mm | 5220 mm |
| Vehicle Width | 1470 mm | 1890 mm |
| Vehicle Height | 1860 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 3150 mm |
| Fuel Tank Capacity | 70 L | 70 L |
