2005 Opel Zafira vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Opel Zafira. In addition, the cost of maintenance, including insurance, on 2005 Opel Zafira would be higher. At 4,800 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP @ 5600 RPM) has 175 more horse power than 2005 Opel Zafira. (123 HP @ 5600 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2005 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 873 kg more than 2005 Opel Zafira. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Zafira. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 241 more torque (in Nm) than 2005 Opel Zafira. (173 Nm @ 3800 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Zafira.
Compare all specifications:
| 2005 Opel Zafira | 2013 GMC Sierra | |
| Make | Opel | GMC |
| Model | Zafira | Sierra |
| Year Released | 2005 | 2013 |
| Body Type | Minivan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 123 HP | 298 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 173 Nm | 414 Nm |
| Torque RPM | 3800 RPM | 4600 RPM |
| Engine Bore Size | 80.5 mm | 96 mm |
| Engine Stroke Size | 88.2 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1398 kg | 2271 kg |
| Vehicle Length | 4320 mm | 5702 mm |
| Vehicle Width | 1750 mm | 2031 mm |
| Vehicle Height | 1640 mm | 1875 mm |
| Wheelbase Size | 2620 mm | 3378 mm |
| Fuel Tank Capacity | 58 L | 129 L |
