2005 Chevrolet Alero vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Alero. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Alero would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 188 more horse power than 2005 Chevrolet Alero. (140 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 2005 Chevrolet Alero. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 320 kg more than 2005 Chevrolet Alero. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 645 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 645. However, in wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Alero, 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 645 (450 Nm @ 3600 RPM) has 251 more torque (in Nm) than 2005 Chevrolet Alero. (199 Nm @ 4200 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Alero. 2007 BMW 645 has automatic transmission and 2005 Chevrolet Alero has manual transmission. 2005 Chevrolet Alero will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chevrolet Alero | 2007 BMW 645 | |
| Make | Chevrolet | BMW |
| Model | Alero | 645 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2392 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 140 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 199 Nm | 450 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1690 kg |
| Vehicle Length | 4750 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1380 mm |
| Wheelbase Size | 2730 mm | 2790 mm |
