1986 Mercedes-Benz 420 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Mercedes-Benz 420. In addition, the cost of maintenance, including insurance, on 1986 Mercedes-Benz 420 would be higher. At 4,196 cc (8 cylinders), 1986 Mercedes-Benz 420 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 183 more horse power than 1986 Mercedes-Benz 420. (231 HP @ 5400 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1986 Mercedes-Benz 420. With that said, vehicle weight also plays an important factor in acceleration. 1986 Mercedes-Benz 420 weights approximately 5 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Mercedes-Benz 420. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 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 Porsche 911 (560 Nm @ 2700 RPM) has 233 more torque (in Nm) than 1986 Mercedes-Benz 420. (327 Nm @ 4000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mercedes-Benz 420.
Compare all specifications:
| 1986 Mercedes-Benz 420 | 2005 Porsche 911 | |
| Make | Mercedes-Benz | Porsche |
| Model | 420 | 911 |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 4196 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 231 HP | 414 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 327 Nm | 560 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 78.9 mm | 76.4 mm |
| Top Speed | 204 km/hour | 305 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1625 kg | 1620 kg |
| Vehicle Length | 5170 mm | 4440 mm |
| Vehicle Width | 2010 mm | 1840 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
