1998 Mercedes-Benz SL vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 1998 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 1998 Mercedes-Benz SL (302 HP) has 34 more horse power than 2005 Mercedes-Benz R. (268 HP). In normal driving conditions, 1998 Mercedes-Benz SL 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 345 kg more than 1998 Mercedes-Benz SL.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mercedes-Benz SL. 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, 1998 Mercedes-Benz SL (461 Nm @ 2700 RPM) has 111 more torque (in Nm) than 2005 Mercedes-Benz R. (350 Nm @ 2400 RPM). This means 1998 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R.
Compare all specifications:
| 1998 Mercedes-Benz SL | 2005 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SL | R |
| Year Released | 1998 | 2005 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 302 HP | 268 HP |
| Torque | 461 Nm | 350 Nm |
| Torque RPM | 2700 RPM | 2400 RPM |
| Engine Bore Size | 97 mm | 92.9 mm |
| Engine Stroke Size | 84 mm | 86 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1890 kg | 2235 kg |
| Vehicle Length | 4510 mm | 5160 mm |
| Vehicle Width | 1820 mm | 1930 mm |
| Vehicle Height | 1300 mm | 1660 mm |
| Wheelbase Size | 2520 mm | 3220 mm |
| Fuel Tank Capacity | 80 L | 62 L |
