2007 BMW Convertible vs. 1988 BMW 520
To start off, 2007 BMW Convertible is newer by 19 year(s). Which means there will be less support and parts availability for 1988 BMW 520. In addition, the cost of maintenance, including insurance, on 1988 BMW 520 would be higher. At 4,797 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 233 more horse power than 1988 BMW 520. (129 HP @ 6000 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 1988 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 280 kg more than 1988 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3900 RPM) has 316 more torque (in Nm) than 1988 BMW 520. (174 Nm @ 4000 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 520.
Compare all specifications:
| 2007 BMW Convertible | 1988 BMW 520 | |
| Make | BMW | BMW |
| Model | Convertible | 520 |
| Year Released | 2007 | 1988 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 1989 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 129 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 174 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 250 km/hour | 202 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 12.5 seconds |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1850 kg | 1570 kg |
| Vehicle Length | 4830 mm | 4780 mm |
| Vehicle Width | 1380 mm | 1810 mm |
| Vehicle Height | 1860 mm | 1440 mm |
| Wheelbase Size | 2790 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 70 L |
