2007 GMC Sierra vs. 1991 Opel Astra
To start off, 2007 GMC Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 294 more horse power than 1991 Opel Astra. (59 HP @ 5200 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1352 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 403 more torque (in Nm) than 1991 Opel Astra. (103 Nm @ 2800 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2007 GMC Sierra has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 GMC Sierra | 1991 Opel Astra | |
Make | GMC | Opel |
Model | Sierra | Astra |
Year Released | 2007 | 1991 |
Engine Position | Front | Front |
Engine Size | 5997 cc | 1389 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 353 HP | 59 HP |
Engine RPM | 5400 RPM | 5200 RPM |
Torque | 506 Nm | 103 Nm |
Torque RPM | 4400 RPM | 2800 RPM |
Engine Bore Size | 102 mm | 77.6 mm |
Engine Stroke Size | 92 mm | 73.4 mm |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 3 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 2282 kg | 930 kg |
Vehicle Length | 5710 mm | 4060 mm |
Vehicle Width | 2040 mm | 1690 mm |
Vehicle Height | 1950 mm | 1430 mm |
Wheelbase Size | 3380 mm | 2530 mm |
Fuel Tank Capacity | 129 L | 75 L |