2006 Cadillac XLR vs. 2003 GMC Sierra
To start off, 2006 Cadillac XLR is newer by 3 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 Cadillac XLR (322 HP @ 6400 RPM) has 1 more horse power than 2003 GMC Sierra. (321 HP @ 5000 RPM). In normal driving conditions, 2006 Cadillac XLR should accelerate faster than 2003 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 615 kg more than 2006 Cadillac XLR.
Because 2003 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 2003 GMC Sierra will offer significantly more control. 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 @ 4000 RPM) has 50 more torque (in Nm) than 2003 GMC Sierra. (370 Nm @ 4000 RPM). This means 2006 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra.
Compare all specifications:
| 2006 Cadillac XLR | 2003 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | XLR | Sierra |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4563 cc | 5967 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 322 HP | 321 HP |
| Engine RPM | 6400 RPM | 5000 RPM |
| Torque | 420 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1655 kg | 2270 kg |
| Vehicle Length | 4520 mm | 5790 mm |
| Vehicle Width | 1840 mm | 2000 mm |
| Vehicle Height | 1290 mm | 1850 mm |
| Wheelbase Size | 2690 mm | 3650 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 68 L | 117 L |
