2005 Audi A4 vs. 2001 BMW Z8
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 BMW Z8. In addition, the cost of maintenance, including insurance, on 2001 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 2001 BMW Z8 is equipped with a bigger engine. In terms of performance, 2001 BMW Z8 (400 HP @ 6600 RPM) has 226 more horse power than 2005 Audi A4. (174 HP @ 4000 RPM) In normal driving conditions, 2001 BMW Z8 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 10 kg more than 2001 BMW Z8.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 BMW Z8. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2001 BMW Z8 (500 Nm) has 270 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2001 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2001 BMW Z8 | |
| Make | Audi | BMW |
| Model | A4 | Z8 |
| Year Released | 2005 | 2001 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 4939 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 400 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 230 Nm | 500 Nm |
| Engine Bore Size | 81 mm | 94 mm |
| Engine Stroke Size | 86 mm | 89 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1585 kg |
| Vehicle Length | 4550 mm | 4410 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption | 7.8 L/100km | 10.6 L/100km |
| Fuel Consumption City | 11.2 L/100km | 21.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 63 L | 73 L |
