2003 Buick Century vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Buick Century. In addition, the cost of maintenance, including insurance, on 2003 Buick Century would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 124 more horse power than 2003 Buick Century. (176 HP) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2003 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1210 kg more than 2003 Buick Century. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Buick Century. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 GMC Sierra (489 Nm) has 225 more torque (in Nm) than 2003 Buick Century. (264 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Century.
Compare all specifications:
| 2003 Buick Century | 2004 GMC Sierra | |
| Make | Buick | GMC |
| Model | Century | Sierra |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3134 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 176 HP | 300 HP |
| Torque | 264 Nm | 489 Nm |
| Engine Bore Size | 89 mm | 102 mm |
| Engine Stroke Size | 84 mm | 92 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1520 kg | 2730 kg |
| Vehicle Length | 4950 mm | 6030 mm |
| Vehicle Width | 1850 mm | 2030 mm |
| Vehicle Height | 1440 mm | 1940 mm |
| Wheelbase Size | 2780 mm | 4250 mm |
| Fuel Tank Capacity | 64 L | 129 L |
