2008 Cadillac DTS vs. 2007 GMC Sierra
To start off, 2008 Cadillac DTS is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 20 more horse power than 2008 Cadillac DTS. (292 HP @ 6300 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 Cadillac DTS. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1152 kg more than 2008 Cadillac DTS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac DTS. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 115 more torque (in Nm) than 2008 Cadillac DTS. (391 Nm @ 4500 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac DTS.
Compare all specifications:
| 2008 Cadillac DTS | 2007 GMC Sierra | |
| Make | Cadillac | GMC |
| Model | DTS | Sierra |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 292 HP | 312 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 391 Nm | 506 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 102 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1638 kg | 2790 kg |
| Vehicle Length | 5280 mm | 6340 mm |
| Vehicle Width | 1910 mm | 2440 mm |
| Vehicle Height | 1470 mm | 1940 mm |
| Wheelbase Size | 2940 mm | 4010 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 68 L | 129 L |
