2007 Audi A4 vs. 2003 BMW Z4
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW Z4. In addition, the cost of maintenance, including insurance, on 2003 BMW Z4 would be higher. At 3,121 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 25 more horse power than 2003 BMW Z4. (227 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2003 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 450 kg more than 2003 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (330 Nm @ 3250 RPM) has 39 more torque (in Nm) than 2003 BMW Z4. (291 Nm @ 3500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW Z4. 2007 Audi A4 has automatic transmission and 2003 BMW Z4 has manual transmission. 2003 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 Audi A4 | 2003 BMW Z4 | |
Make | Audi | BMW |
Model | A4 | Z4 |
Year Released | 2007 | 2003 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 3121 cc | 2999 cc |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 252 HP | 227 HP |
Engine RPM | 5100 RPM | 6000 RPM |
Torque | 330 Nm | 291 Nm |
Torque RPM | 3250 RPM | 3500 RPM |
Engine Bore Size | 84.5 mm | 84 mm |
Engine Stroke Size | 92.8 mm | 90 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1740 kg | 1290 kg |
Vehicle Length | 4580 mm | 4100 mm |
Vehicle Width | 1400 mm | 1790 mm |
Vehicle Height | 1780 mm | 1310 mm |
Wheelbase Size | 2660 mm | 2500 mm |
Fuel Tank Capacity | 70 L | 55 L |