2007 Mercedes-Benz CLS vs. 1991 Porsche 911
To start off, 2007 Mercedes-Benz CLS is newer by 16 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 6,206 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 279 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 1991 Porsche 911.
Let's talk about torque, 2007 Mercedes-Benz CLS (631 Nm @ 5200 RPM) has 345 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2007 Mercedes-Benz CLS | 1991 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | CLS | 911 |
| Year Released | 2007 | 1991 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 6206 cc | 3163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 507 HP | 228 HP |
| Engine RPM | 6800 RPM | 5900 RPM |
| Torque | 631 Nm | 286 Nm |
| Torque RPM | 5200 RPM | 4800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4910 mm | 4300 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1400 mm | 1260 mm |
