2007 BMW 320 vs. 1991 Mercedes-Benz 400
To start off, 2007 BMW 320 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 4,196 cc (8 cylinders), 1991 Mercedes-Benz 400 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 400 (287 HP @ 5700 RPM) has 132 more horse power than 2007 BMW 320. (155 HP @ 4000 RPM) In normal driving conditions, 1991 Mercedes-Benz 400 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 400 weights approximately 510 kg more than 2007 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 400 (410 Nm @ 3900 RPM) has 80 more torque (in Nm) than 2007 BMW 320. (330 Nm @ 2000 RPM). This means 1991 Mercedes-Benz 400 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 1991 Mercedes-Benz 400 | |
| Make | BMW | Mercedes-Benz |
| Model | 320 | 400 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 155 HP | 287 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 330 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 3900 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 78.9 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Top Speed | 221 km/hour | 232 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 2000 kg |
| Vehicle Length | 4530 mm | 5110 mm |
| Vehicle Width | 1430 mm | 1890 mm |
| Vehicle Height | 1820 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 3050 mm |
