2009 Mercedes-Benz A vs. 2007 BMW Z4
To start off, 2009 Mercedes-Benz A is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,492 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (189 HP @ 6000 RPM) has 74 more horse power than 2009 Mercedes-Benz A. (115 HP @ 5500 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 95 kg more than 2009 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz A, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW Z4 (245 Nm @ 3500 RPM) has 90 more torque (in Nm) than 2009 Mercedes-Benz A. (155 Nm @ 3500 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz A. 2007 BMW Z4 has automatic transmission and 2009 Mercedes-Benz A has manual transmission. 2009 Mercedes-Benz A will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mercedes-Benz A | 2007 BMW Z4 | |
| Make | Mercedes-Benz | BMW |
| Model | A | Z4 |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 115 HP | 189 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 155 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 78.5 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 188 km/hour | 235 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1240 kg | 1335 kg |
| Vehicle Length | 3890 mm | 4100 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1600 mm | 1310 mm |
| Wheelbase Size | 2570 mm | 2500 mm |
| Fuel Consumption Overall | 6.6 L/100km | 9 L/100km |
| Fuel Tank Capacity | 54 L | 55 L |
