2006 BMW Z4 vs. 2005 Chevrolet Impala
To start off, 2006 BMW Z4 is newer by 1 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, 2006 BMW Z4 (343 HP @ 7900 RPM) has 162 more horse power than 2005 Chevrolet Impala. (181 HP @ 5600 RPM). In normal driving conditions, 2006 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 205 kg more than 2006 BMW Z4.
Because 2006 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 2006 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, 2006 BMW Z4 (495 Nm) has 217 more torque (in Nm) than 2005 Chevrolet Impala. (278 Nm). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala. 2005 Chevrolet Impala has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Chevrolet Impala will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2005 Chevrolet Impala | |
| Make | BMW | Chevrolet |
| Model | Z4 | Impala |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 3343 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 343 HP | 181 HP |
| Engine RPM | 7900 RPM | 5600 RPM |
| Torque | 495 Nm | 278 Nm |
| Engine Compression Ratio | 11.5:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1332 kg | 1537 kg |
| Vehicle Length | 4100 mm | 5090 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2880 mm |
| Fuel Consumption Overall | 11.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
