1991 Mercedes-Benz 300 vs. 1981 Porsche 911
To start off, 1991 Mercedes-Benz 300 is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,198 cc (6 cylinders), 1991 Mercedes-Benz 300 is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 1 more horse power than 1991 Mercedes-Benz 300. (231 HP @ 5800 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1991 Mercedes-Benz 300. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 300 weights approximately 640 kg more than 1981 Porsche 911.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1991 Mercedes-Benz 300 (310 Nm @ 4100 RPM) has 26 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 1991 Mercedes-Benz 300 will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911.
Compare all specifications:
| 1991 Mercedes-Benz 300 | 1981 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | 300 | 911 |
| Year Released | 1991 | 1981 |
| Engine Position | Front | Rear |
| Engine Size | 3198 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 231 HP | 232 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 310 Nm | 284 Nm |
| Torque RPM | 4100 RPM | 4800 RPM |
| Engine Bore Size | 89.9 mm | 95 mm |
| Engine Stroke Size | 84 mm | 74.4 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Top Speed | 230 km/hour | 246 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1900 kg | 1260 kg |
| Vehicle Length | 5110 mm | 4300 mm |
| Vehicle Width | 1890 mm | 1660 mm |
| Vehicle Height | 1500 mm | 1330 mm |
| Wheelbase Size | 3050 mm | 2270 mm |
| Fuel Tank Capacity | 100 L | 80 L |
