2004 GMC Sierra vs. 2007 Opel Zafira
To start off, 2007 Opel Zafira is newer by 3 year(s). Which means there will be less support and parts availability for 2004 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2004 GMC Sierra 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 152 more horse power than 2007 Opel Zafira. (148 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2007 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 878 kg more than 2007 Opel Zafira. 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 2007 Opel Zafira. 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 (488 Nm) has 168 more torque (in Nm) than 2007 Opel Zafira. (320 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Zafira.
Compare all specifications:
| 2004 GMC Sierra | 2007 Opel Zafira | |
| Make | GMC | Opel |
| Model | Sierra | Zafira |
| Year Released | 2004 | 2007 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 300 HP | 148 HP |
| Torque | 488 Nm | 320 Nm |
| Engine Bore Size | 102 mm | 82 mm |
| Engine Stroke Size | 92 mm | 90.4 mm |
| Engine Compression Ratio | 9.4:1 | 17.5:1 |
| Drive Type | 4WD | Front |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2506 kg | 1628 kg |
| Vehicle Length | 5790 mm | 4470 mm |
| Vehicle Width | 2000 mm | 1810 mm |
| Vehicle Height | 1900 mm | 1650 mm |
| Wheelbase Size | 3650 mm | 2710 mm |
| Fuel Tank Capacity | 98 L | 58 L |
