2009 Alpina B5 vs. 2005 Cadillac XLR
To start off, 2009 Alpina B5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Cadillac XLR. In addition, the cost of maintenance, including insurance, on 2005 Cadillac XLR would be higher. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 171 more horse power than 2005 Cadillac XLR. (322 HP @ 6400 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2005 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B5 weights approximately 156 kg more than 2005 Cadillac XLR. 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, 2009 Alpina B5 (700 Nm @ 4250 RPM) has 280 more torque (in Nm) than 2005 Cadillac XLR. (420 Nm @ 4000 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac XLR.
Compare all specifications:
| 2009 Alpina B5 | 2005 Cadillac XLR | |
| Make | Alpina | Cadillac |
| Model | B5 | XLR |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 4564 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 322 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 700 Nm | 420 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1654 kg |
| Vehicle Length | 4850 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1500 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 68 L |
