2005 Cadillac CTS vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac CTS 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 73 more horse power than 2005 Cadillac CTS. (255 HP @ 6000 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 2005 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 98 kg more than 2005 Cadillac CTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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) has 107 more torque (in Nm) than 2005 Cadillac CTS. (343 Nm). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac CTS.
Compare all specifications:
| 2005 Cadillac CTS | 2008 BMW 645 | |
| Make | Cadillac | BMW |
| Model | CTS | 645 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 343 Nm | 450 Nm |
| Engine Bore Size | 94 mm | 92.1 mm |
| Engine Stroke Size | 86 mm | 82.7 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1592 kg | 1690 kg |
| Vehicle Length | 4840 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2790 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
