1977 GMC Jimmy vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 14 year(s). Which means there will be less support and parts availability for 1977 GMC Jimmy. In addition, the cost of maintenance, including insurance, on 1977 GMC Jimmy would be higher. At 4,093 cc (6 cylinders), 1977 GMC Jimmy is equipped with a bigger engine. In terms of performance, 1977 GMC Jimmy (100 HP @ 3600 RPM) has 18 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 1977 GMC Jimmy should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1977 GMC Jimmy weights approximately 670 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 1977 GMC Jimmy 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, 1977 GMC Jimmy 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, 1977 GMC Jimmy (243 Nm @ 1600 RPM) has 75 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 1977 GMC Jimmy will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 1977 GMC Jimmy 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. 1977 GMC Jimmy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 GMC Jimmy | 1991 Opel Astra | |
| Make | GMC | Opel |
| Model | Jimmy | Astra |
| Year Released | 1977 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 1686 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 82 HP |
| Engine RPM | 3600 RPM | 4400 RPM |
| Torque | 243 Nm | 168 Nm |
| Torque RPM | 1600 RPM | 2400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1800 kg | 1130 kg |
| Vehicle Length | 4690 mm | 4060 mm |
| Vehicle Width | 2030 mm | 1690 mm |
| Vehicle Height | 1840 mm | 1430 mm |
| Wheelbase Size | 2720 mm | 2640 mm |
