1999 Audi A4 vs. 2009 BMW M5
To start off, 2009 BMW M5 is newer by 10 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 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 377 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2009 BMW M5 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 446 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.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M5. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 will offer significantly more control. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 352 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2009 BMW M5 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. 2009 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2009 BMW M5 | |
| Make | Audi | BMW |
| Model | A4 | M5 |
| Year Released | 1999 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4999 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 500 HP |
| Engine RPM | 5800 RPM | 7750 RPM |
| Torque | 168 Nm | 520 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 75.2 mm |
| Engine Compression Ratio | 10.3:1 | 12.0:1 |
| Top Speed | 197 km/hour | 250 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1836 kg |
| Vehicle Length | 4480 mm | 4860 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2610 mm | 2900 mm |
| Fuel Tank Capacity | 60 L | 70 L |
