2008 Audi S6 vs. 2002 BMW Z4
To start off, 2008 Audi S6 is newer by 6 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 4,172 cc (8 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (335 HP @ 7000 RPM) has 108 more horse power than 2002 BMW Z4. (227 HP @ 5900 RPM). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S6 weights approximately 429 kg more than 2002 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2002 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 Audi S6 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, 2008 Audi S6 (420 Nm @ 3400 RPM) has 120 more torque (in Nm) than 2002 BMW Z4. (300 Nm @ 3500 RPM). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
| 2008 Audi S6 | 2002 BMW Z4 | |
| Make | Audi | BMW |
| Model | S6 | Z4 |
| Year Released | 2008 | 2002 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 227 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 420 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 6.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1386 kg |
| Vehicle Length | 4840 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 14.5 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 82 L | 55 L |
