2004 Audi A4 vs. 2002 BMW Z4
To start off, 2004 Audi A4 is newer by 2 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 2,996 cc (6 cylinders), 2002 BMW Z4 is equipped with a bigger engine. In terms of performance, 2002 BMW Z4 (227 HP @ 5900 RPM) has 26 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM) In normal driving conditions, 2002 BMW Z4 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 285 kg more than 2002 BMW Z4.
Because 2004 Audi A4 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, 2004 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, 2004 Audi A4 (450 Nm @ 1400 RPM) has 150 more torque (in Nm) than 2002 BMW Z4. (300 Nm @ 3500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4. 2002 BMW Z4 has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2002 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2004 | 2002 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 201 HP | 227 HP |
| Engine RPM | 3500 RPM | 5900 RPM |
| Torque | 450 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 89.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Top Speed | 231 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1671 kg | 1386 kg |
| Vehicle Length | 4590 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption | 6 L/100km | 7.3 L/100km |
| Fuel Consumption City | 10.5 L/100km | 13.5 L/100km |
| Fuel Consumption Overall | 7.7 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
