2007 BMW Convertible vs. 1991 Porsche 911
To start off, 2007 BMW Convertible is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 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 134 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 675 kg more than 1991 Porsche 911. 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 @ 3600 RPM) has 204 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2007 BMW Convertible | 1991 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Convertible | 911 |
| Year Released | 2007 | 1991 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 4799 cc | 3163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 362 HP | 228 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 490 Nm | 286 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1850 kg | 1175 kg |
| Vehicle Length | 4830 mm | 4300 mm |
| Vehicle Width | 1380 mm | 1660 mm |
| Vehicle Height | 1860 mm | 1260 mm |
