1999 Audi A4 vs. 2012 BMW 650
To start off, 2012 BMW 650 is newer by 13 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 4,400 cc (8 cylinders), 2012 BMW 650 is equipped with a bigger engine. In terms of performance, 2012 BMW 650 (400 HP @ 5500 RPM) has 138 more horse power than 1999 Audi A4. (262 HP @ 5800 RPM) In normal driving conditions, 2012 BMW 650 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 650 weights approximately 690 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2012 BMW 650 (609 Nm @ 1750 RPM) has 209 more torque (in Nm) than 1999 Audi A4. (400 Nm @ 3600 RPM). This means 2012 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2012 BMW 650 has automatic transmission and 1999 Audi A4 has manual transmission. 1999 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2012 BMW 650 | |
| Make | Audi | BMW |
| Model | A4 | 650 |
| Year Released | 1999 | 2012 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 262 HP | 400 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 400 Nm | 609 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1400 kg | 2090 kg |
| Vehicle Length | 4480 mm | 4894 mm |
| Vehicle Width | 1740 mm | 1894 mm |
| Vehicle Height | 1420 mm | 1369 mm |
| Wheelbase Size | 2620 mm | 2855 mm |
| Fuel Tank Capacity | 60 L | 70 L |
