2008 BMW 645 vs. 2006 Alfa Romeo GT
To start off, 2008 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo GT would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 180 more horse power than 2006 Alfa Romeo GT. (148 HP @ 4000 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2006 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 250 kg more than 2006 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo GT, 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 145 more torque (in Nm) than 2006 Alfa Romeo GT. (305 Nm @ 2000 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo GT. 2006 Alfa Romeo GT has automatic transmission and 2008 BMW 645 has manual transmission. 2008 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Alfa Romeo GT will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 645 | 2006 Alfa Romeo GT | |
| Make | BMW | Alfa Romeo |
| Model | 645 | GT |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1909 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 148 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 305 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 92.1 mm | 82 mm |
| Engine Stroke Size | 82.7 mm | 90.4 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 5.6 seconds | 9.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1440 kg |
| Vehicle Length | 4830 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2790 mm | 2600 mm |
| Fuel Consumption Overall | 11.8 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
