2007 BMW Convertible vs. 2009 Audi R8
To start off, 2009 Audi R8 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 5,204 cc (10 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 155 more horse power than 2007 BMW Convertible. (363 HP @ 6300 RPM) In normal driving conditions, 2009 Audi R8 should accelerate faster than 2007 BMW Convertible. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 270 kg more than 2009 Audi R8.
Let's talk about torque, 2009 Audi R8 (530 Nm @ 6500 RPM) has 40 more torque (in Nm) than 2007 BMW Convertible. (490 Nm @ 3600 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Convertible. 2009 Audi R8 has automatic transmission and 2007 BMW Convertible has manual transmission. 2007 BMW Convertible will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi R8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Convertible | 2009 Audi R8 | |
| Make | BMW | Audi |
| Model | Convertible | R8 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4799 cc | 5204 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 363 HP | 518 HP |
| Engine RPM | 6300 RPM | 8000 RPM |
| Torque | 490 Nm | 530 Nm |
| Torque RPM | 3600 RPM | 6500 RPM |
| Engine Compression Ratio | 10.5:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 316 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 3.9 seconds |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1850 kg | 1580 kg |
| Vehicle Length | 4830 mm | 4440 mm |
| Vehicle Width | 1380 mm | 1940 mm |
| Vehicle Height | 1860 mm | 1260 mm |
| Wheelbase Size | 2790 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 75 L |
