2005 Mercedes-Benz R vs. 1991 Porsche 911
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 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 3,498 cc (6 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (268 HP) has 40 more horse power than 1991 Porsche 911. (228 HP). In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 1030 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Mercedes-Benz R (350 Nm @ 2400 RPM) has 64 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2005 Mercedes-Benz R | 1991 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | R | 911 |
| Year Released | 2005 | 1991 |
| Body Type | Minivan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 3498 cc | 3163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 268 HP | 228 HP |
| Torque | 350 Nm | 286 Nm |
| Torque RPM | 2400 RPM | 4800 RPM |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2205 kg | 1175 kg |
| Vehicle Length | 5160 mm | 4300 mm |
| Vehicle Width | 1930 mm | 1660 mm |
| Vehicle Height | 1660 mm | 1260 mm |
