2005 GMC Sierra vs. 2004 Opel Zafira
To start off, 2005 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Zafira. In addition, the cost of maintenance, including insurance, on 2004 Opel Zafira would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 198 more horse power than 2004 Opel Zafira. (123 HP @ 4000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2004 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 720 kg more than 2004 Opel Zafira. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Zafira. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 100 more torque (in Nm) than 2004 Opel Zafira. (270 Nm @ 1500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Zafira. 2005 GMC Sierra has automatic transmission and 2004 Opel Zafira has manual transmission. 2004 Opel Zafira will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 2004 Opel Zafira | |
| Make | GMC | Opel |
| Model | Sierra | Zafira |
| Year Released | 2005 | 2004 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 123 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 370 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2270 kg | 1550 kg |
| Vehicle Length | 5790 mm | 4320 mm |
| Vehicle Width | 2000 mm | 1750 mm |
| Vehicle Height | 1850 mm | 1640 mm |
| Wheelbase Size | 3650 mm | 2710 mm |
| Fuel Consumption Overall | 13.1 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 117 L | 58 L |
