2007 Audi A4 vs. 2007 BMW 650
To start off, both 2007 Audi A4 and 2007 BMW 650 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (363 HP @ 6300 RPM) has 111 more horse power than 2007 Audi A4. (252 HP @ 5100 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 58 kg more than 2007 BMW 650.
Let's talk about torque, 2007 BMW 650 (490 Nm @ 3400 RPM) has 160 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2007 BMW 650 has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2007 BMW 650 | |
| Make | Audi | BMW |
| Model | A4 | 650 |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4799 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 363 HP |
| Engine RPM | 5100 RPM | 6300 RPM |
| Torque | 330 Nm | 490 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 5.4 seconds |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 1640 kg |
| Vehicle Length | 4580 mm | 4830 mm |
| Vehicle Width | 1400 mm | 1380 mm |
| Vehicle Height | 1780 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Tank Capacity | 70 L | 70 L |
