1997 Audi A6 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 12 year(s). Which means there will be less support and parts availability for 1997 Audi A6. In addition, the cost of maintenance, including insurance, on 1997 Audi A6 would be higher. At 2,497 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (176 HP @ 5800 RPM) has 47 more horse power than 1997 Audi A6. (129 HP @ 4000 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1997 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1997 Audi A6 weights approximately 175 kg more than 2009 BMW Z4.
Because 2009 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1997 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 1997 Audi A6 (310 Nm @ 1900 RPM) has 80 more torque (in Nm) than 2009 BMW Z4. (230 Nm @ 3500 RPM). This means 1997 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 1997 Audi A6 | 2009 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 1997 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 176 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 310 Nm | 230 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 82 mm |
| Engine Stroke Size | 95.5 mm | 78.8 mm |
| Engine Compression Ratio | 19.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 200 km/hour | 229 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 6.5 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1345 kg |
| Vehicle Length | 4800 mm | 4100 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 55 L |
