2006 Cadillac XLR vs. 2005 Pontiac Grand Prix
To start off, 2006 Cadillac XLR is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Grand Prix would be higher. At 4,563 cc (8 cylinders), 2006 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2006 Cadillac XLR (322 HP @ 6400 RPM) has 62 more horse power than 2005 Pontiac Grand Prix. (260 HP @ 5200 RPM). In normal driving conditions, 2006 Cadillac XLR should accelerate faster than 2005 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac XLR weights approximately 34 kg more than 2005 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Cadillac XLR 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 Cadillac XLR. However, in wet, icy, snow, or gravel driving conditions, 2005 Pontiac Grand Prix, 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 Cadillac XLR (423 Nm) has 43 more torque (in Nm) than 2005 Pontiac Grand Prix. (380 Nm). This means 2006 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Grand Prix.
Compare all specifications:
| 2006 Cadillac XLR | 2005 Pontiac Grand Prix | |
| Make | Cadillac | Pontiac |
| Model | XLR | Grand Prix |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4563 cc | 3786 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 322 HP | 260 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 423 Nm | 380 Nm |
| Engine Bore Size | 93 mm | 97.1 mm |
| Engine Stroke Size | 84 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1654 kg | 1620 kg |
| Vehicle Length | 4520 mm | 5040 mm |
| Vehicle Width | 1840 mm | 1830 mm |
| Vehicle Height | 1290 mm | 1420 mm |
| Wheelbase Size | 2690 mm | 2810 mm |
| Fuel Consumption Overall | 12.3 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
