2008 Audi S8 vs. 2008 BMW Z4
To start off, both 2008 Audi S8 and 2008 BMW Z4 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (450 HP @ 7000 RPM) has 112 more horse power than 2008 BMW Z4. (338 HP @ 7900 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 325 kg more than 2008 Audi S8.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 Audi S8 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 S8 (540 Nm @ 3500 RPM) has 175 more torque (in Nm) than 2008 BMW Z4. (365 Nm @ 4900 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 2008 Audi S8 has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S8 | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | S8 | Z4 |
| Year Released | 2008 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 3246 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 338 HP |
| Engine RPM | 7000 RPM | 7900 RPM |
| Torque | 540 Nm | 365 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 244 km/hour | 250 km/hour |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1485 kg |
| Vehicle Length | 5070 mm | 4870 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2950 mm | 2500 mm |
| Fuel Consumption Overall | 15.7 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
