2006 Cadillac XLR vs. 2003 Porsche Boxster
To start off, 2006 Cadillac XLR is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2003 Porsche Boxster would be higher. At 4,572 cc (8 cylinders), 2006 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2006 Cadillac XLR (320 HP @ 6400 RPM) has 58 more horse power than 2003 Porsche Boxster. (262 HP @ 6200 RPM). In normal driving conditions, 2006 Cadillac XLR should accelerate faster than 2003 Porsche Boxster. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac XLR weights approximately 276 kg more than 2003 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, 2006 Cadillac XLR (420 Nm @ 4400 RPM) has 110 more torque (in Nm) than 2003 Porsche Boxster. (310 Nm @ 4600 RPM). This means 2006 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2003 Porsche Boxster.
Compare all specifications:
| 2006 Cadillac XLR | 2003 Porsche Boxster | |
| Make | Cadillac | Porsche |
| Model | XLR | Boxster |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4572 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 320 HP | 262 HP |
| Engine RPM | 6400 RPM | 6200 RPM |
| Torque | 420 Nm | 310 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 84 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 250 km/hour | 266 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1656 kg | 1380 kg |
| Vehicle Length | 4520 mm | 4330 mm |
| Vehicle Width | 1840 mm | 1790 mm |
| Vehicle Height | 1290 mm | 1290 mm |
| Wheelbase Size | 2690 mm | 2420 mm |
| Fuel Consumption Highway | 9.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.3 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
