1973 Porsche 911 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 39 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 194 more horse power than 1973 Porsche 911. (208 HP @ 6300 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 940 kg more than 1973 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 340 more torque (in Nm) than 1973 Porsche 911. (260 Nm @ 5100 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 1973 Porsche 911 | 2012 Mercedes-Benz CLS | |
| Make | Porsche | Mercedes-Benz |
| Model | 911 | CLS |
| Year Released | 1973 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 2687 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 208 HP | 402 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 260 Nm | 600 Nm |
| Torque RPM | 5100 RPM | 1800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 950 kg | 1890 kg |
| Vehicle Length | 4110 mm | 4940 mm |
| Vehicle Width | 1660 mm | 1882 mm |
| Vehicle Height | 1330 mm | 1417 mm |
| Wheelbase Size | 2280 mm | 2875 mm |
