2005 Audi A4 vs. 2008 BMW 650
To start off, 2008 BMW 650 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,799 cc (8 cylinders), 2008 BMW 650 is equipped with a bigger engine. In terms of performance, 2008 BMW 650 (360 HP @ 6300 RPM) has 143 more horse power than 2005 Audi A4. (217 HP @ 4000 RPM) In normal driving conditions, 2008 BMW 650 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 58 kg more than 2008 BMW 650.
Let's talk about torque, 2008 BMW 650 (490 Nm) has 190 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2008 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2008 BMW 650 | |
| Make | Audi | BMW |
| Model | A4 | 650 |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 360 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 300 Nm | 490 Nm |
| Engine Bore Size | 83 mm | 92.1 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| 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 | 1780 mm | 1380 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption | 8.7 L/100km | 10.2 L/100km |
| Fuel Consumption City | 11.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
