1991 Mercedes-Benz 500 vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R is newer by 14 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 4,973 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 500 (326 HP) has 58 more horse power than 2005 Mercedes-Benz R. (268 HP). In normal driving conditions, 1991 Mercedes-Benz 500 should accelerate faster than 2005 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 193 kg more than 1991 Mercedes-Benz 500.
Because 2005 Mercedes-Benz R 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, 2005 Mercedes-Benz R 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 130 more torque (in Nm) than 2005 Mercedes-Benz R. (350 Nm @ 2400 RPM). This means 1991 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R.
Compare all specifications:
| 1991 Mercedes-Benz 500 | 2005 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | 500 | R |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4973 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 326 HP | 268 HP |
| Torque | 480 Nm | 350 Nm |
| Torque RPM | 3900 RPM | 2400 RPM |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Top Speed | 249 km/hour | 225 km/hour |
| Acceleration 0-100mph | 7 seconds | 8.3 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2012 kg | 2205 kg |
| Vehicle Length | 5110 mm | 5160 mm |
| Vehicle Width | 1890 mm | 1930 mm |
| Vehicle Height | 1500 mm | 1660 mm |
| Wheelbase Size | 3050 mm | 3220 mm |
