1991 Opel Astra vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 22 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 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 242 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1236 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 2013 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, 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 309 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2013 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. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 2013 GMC Sierra | |
| Make | Opel | GMC |
| Model | Astra | Sierra |
| Year Released | 1991 | 2013 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1698 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 56 HP | 298 HP |
| Engine RPM | 4600 RPM | 5600 RPM |
| Torque | 105 Nm | 414 Nm |
| Torque RPM | 2400 RPM | 4600 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 79.5 mm | 83 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | 4-speed automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1035 kg | 2271 kg |
| Vehicle Length | 4250 mm | 5702 mm |
| Vehicle Width | 1690 mm | 2031 mm |
| Vehicle Height | 1430 mm | 1875 mm |
| Wheelbase Size | 2530 mm | 3378 mm |
| Fuel Tank Capacity | 52 L | 129 L |
