2009 Audi A4 vs. 2007 BMW Convertible
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Convertible. In addition, the cost of maintenance, including insurance, on 2007 BMW Convertible 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 204 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 440 kg more than 2009 Audi A4. 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 239 more torque (in Nm) than 2009 Audi A4. (251 Nm @ 1500 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2007 BMW Convertible has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Convertible will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2007 BMW Convertible | |
| Make | Audi | BMW |
| Model | A4 | Convertible |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 362 HP |
| Engine RPM | 4500 RPM | 6300 RPM |
| Torque | 251 Nm | 490 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 225 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 5.7 seconds |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1410 kg | 1850 kg |
| Vehicle Length | 4710 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1380 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2810 mm | 2790 mm |
| Fuel Tank Capacity | 65 L | 70 L |
