2005 Mercedes-Benz R vs. 1974 Porsche 911
To start off, 2005 Mercedes-Benz R is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Porsche 911. In addition, the cost of maintenance, including insurance, on 1974 Porsche 911 would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (302 HP @ 4200 RPM) has 75 more horse power than 1974 Porsche 911. (227 HP @ 6200 RPM). In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 1974 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 1340 kg more than 1974 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1974 Porsche 911. 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, 2005 Mercedes-Benz R (461 Nm @ 2700 RPM) has 181 more torque (in Nm) than 1974 Porsche 911. (280 Nm @ 5000 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1974 Porsche 911.
Compare all specifications:
| 2005 Mercedes-Benz R | 1974 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | R | 911 |
| Year Released | 2005 | 1974 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4966 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 302 HP | 227 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 461 Nm | 280 Nm |
| Torque RPM | 2700 RPM | 5000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2240 kg | 900 kg |
| Vehicle Length | 5160 mm | 4300 mm |
| Vehicle Width | 1930 mm | 1620 mm |
| Vehicle Height | 1660 mm | 1330 mm |
| Wheelbase Size | 2860 mm | 2270 mm |
