2005 Chevrolet Impala vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala would be higher. At 3,343 cc (6 cylinders), 2005 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (261 HP @ 6600 RPM) has 80 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 142 kg more than 2009 BMW Z4.
Because 2009 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Impala, 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, 2009 BMW Z4 (315 Nm) has 37 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2009 BMW Z4 | |
| Make | Chevrolet | BMW |
| Model | Impala | Z4 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3343 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 261 HP |
| Engine RPM | 5600 RPM | 6600 RPM |
| Torque | 278 Nm | 315 Nm |
| Engine Bore Size | 91 mm | 85.1 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.7:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1537 kg | 1395 kg |
| Vehicle Length | 5090 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1270 mm |
| Wheelbase Size | 2880 mm | 2500 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 64 L | 55 L |
