2009 Audi A8 vs. 1999 BMW Z8
To start off, 2009 Audi A8 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 BMW Z8. In addition, the cost of maintenance, including insurance, on 1999 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 1999 BMW Z8 is equipped with a bigger engine. In terms of performance, 1999 BMW Z8 (400 HP @ 6600 RPM) has 171 more horse power than 2009 Audi A8. (229 HP @ 4000 RPM) In normal driving conditions, 1999 BMW Z8 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 245 kg more than 1999 BMW Z8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z8. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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, 1999 BMW Z8 (500 Nm @ 3800 RPM) has 50 more torque (in Nm) than 2009 Audi A8. (450 Nm @ 1400 RPM). This means 1999 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8. 2009 Audi A8 has automatic transmission and 1999 BMW Z8 has manual transmission. 1999 BMW Z8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 1999 BMW Z8 | |
| Make | Audi | BMW |
| Model | A8 | Z8 |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 4939 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 400 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 450 Nm | 500 Nm |
| Torque RPM | 1400 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 94 mm |
| Engine Stroke Size | 91.4 mm | 89 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 243 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1585 kg |
| Vehicle Height | 1900 mm | 1320 mm |
| Wheelbase Size | 2950 mm | 2510 mm |
| Fuel Consumption Overall | 8.4 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 90 L | 73 L |
