2009 Audi A4 vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 1,997 cc (4 cylinders), 2010 BMW Z4 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (244 HP @ 5000 RPM) has 33 more horse power than 2009 Audi A4. (211 HP @ 4300 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW Z4 weights approximately 458 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2010 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 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, both vehicles can yield 350 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2009 Audi A4 has automatic transmission and 2010 BMW Z4 has manual transmission. 2010 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2010 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 244 HP |
| Engine RPM | 4300 RPM | 5000 RPM |
| Torque | 350 Nm | 350 Nm |
| Torque RPM | 1500 RPM | 1500 RPM |
| Engine Bore Size | 82.5 mm | 90.1 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1032 kg | 1490 kg |
| Vehicle Length | 4710 mm | 4239 mm |
| Vehicle Width | 1840 mm | 1791 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2820 mm | 2497 mm |
| Fuel Consumption Highway | 7.8 L/100km | 5.5 L/100km |
| Fuel Consumption City | 10.2 L/100km | 9.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
