1999 Audi A6 vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 1,997 cc (4 cylinders), 2010 BMW Z4 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (244 HP @ 5000 RPM) has 95 more horse power than 1999 Audi A6. (149 HP @ 5700 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 1999 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW Z4 weights approximately 110 kg more than 1999 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 2010 BMW Z4 (350 Nm @ 1500 RPM) has 140 more torque (in Nm) than 1999 Audi A6. (210 Nm @ 1750 RPM). This means 2010 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A6.
Compare all specifications:
| 1999 Audi A6 | 2010 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 1999 | 2010 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 149 HP | 244 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 210 Nm | 350 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 90.1 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 217 km/hour | 250 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1380 kg | 1490 kg |
| Vehicle Length | 4800 mm | 4239 mm |
| Vehicle Width | 1820 mm | 1791 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2497 mm |
| Fuel Consumption Overall | 13 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
