2005 Cadillac XLR vs. 2011 Porsche Boxster
To start off, 2011 Porsche Boxster is newer by 6 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, 2005 Cadillac XLR (322 HP @ 6400 RPM) has 2 more horse power than 2011 Porsche Boxster. (320 HP @ 7200 RPM). In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 2011 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac XLR weights approximately 379 kg more than 2011 Porsche Boxster. 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, 2005 Cadillac XLR (420 Nm @ 4000 RPM) has 50 more torque (in Nm) than 2011 Porsche Boxster. (370 Nm @ 4750 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2011 Porsche Boxster. 2005 Cadillac XLR has automatic transmission and 2011 Porsche Boxster has manual transmission. 2011 Porsche Boxster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac XLR | 2011 Porsche Boxster | |
| Make | Cadillac | Porsche |
| Model | XLR | Boxster |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4564 cc | 3400 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 320 HP |
| Engine RPM | 6400 RPM | 7200 RPM |
| Torque | 420 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1654 kg | 1275 kg |
| Vehicle Length | 4520 mm | 4341 mm |
| Vehicle Width | 1840 mm | 1801 mm |
| Vehicle Height | 1290 mm | 1232 mm |
| Wheelbase Size | 2690 mm | 2416 mm |
| Fuel Tank Capacity | 68 L | 54 L |
