2007 BMW Convertible vs. 1991 Mercedes-Benz 400
To start off, 2007 BMW Convertible 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 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 76 more horse power than 1991 Mercedes-Benz 400. (286 HP @ 5700 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 1991 Mercedes-Benz 400. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 400 weights approximately 154 kg more than 2007 BMW Convertible.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3600 RPM) has 80 more torque (in Nm) than 1991 Mercedes-Benz 400. (410 Nm @ 3900 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz 400.
Compare all specifications:
| 2007 BMW Convertible | 1991 Mercedes-Benz 400 | |
| Make | BMW | Mercedes-Benz |
| Model | Convertible | 400 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 362 HP | 286 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 490 Nm | 410 Nm |
| Torque RPM | 3600 RPM | 3900 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 245 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 7.7 seconds |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1850 kg | 2004 kg |
| Vehicle Length | 4830 mm | 5220 mm |
| Vehicle Width | 1380 mm | 1890 mm |
| Vehicle Height | 1860 mm | 1500 mm |
| Wheelbase Size | 2790 mm | 3150 mm |
