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2005 GMC Sierra vs. 2011 Opel Astra

To start off, 2011 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra 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 82 more horse power than 2011 Opel Astra. (239 HP @ 5600 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2011 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 877 kg more than 2011 Opel Astra. 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 2011 Opel Astra. 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 50 more torque (in Nm) than 2011 Opel Astra. (320 Nm @ 2400 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra. 2005 GMC Sierra has automatic transmission and 2011 Opel Astra has manual transmission. 2011 Opel Astra 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 2011 Opel Astra
Make GMC Opel
Model Sierra Astra
Year Released 2005 2011
Body Type Pickup Hatchback
Engine Position Front Front
Engine Size 5965 cc 1998 cc
Engine Cylinders 8 cylinders 4 cylinders
Engine Type V in-line
Horse Power 321 HP 239 HP
Engine RPM 5000 RPM 5600 RPM
Torque 370 Nm 320 Nm
Torque RPM 4000 RPM 2400 RPM
Fuel Type Gasoline Gasoline
Drive Type 4WD Front
Transmission Type Automatic Manual
Number of Seats 6 seats 5 seats
Number of Doors 4 doors 3 doors
Vehicle Weight 2270 kg 1393 kg
Vehicle Length 5790 mm 4300 mm
Vehicle Width 2000 mm 1760 mm
Vehicle Height 1850 mm 1410 mm
Wheelbase Size 3650 mm 2620 mm
Fuel Consumption Overall 13.1 L/100km 9.2 L/100km
Fuel Tank Capacity 117 L 52 L


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