2006 GMC Envoy vs. 1991 Opel Astra
To start off, 2006 GMC Envoy is newer by 15 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 5,359 cc (8 cylinders), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (300 HP @ 5200 RPM) has 218 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1410 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 2006 GMC Envoy 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, 2006 GMC Envoy 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, 2006 GMC Envoy (447 Nm @ 4000 RPM) has 334 more torque (in Nm) than 1991 Opel Astra. (113 Nm @ 3400 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2006 GMC Envoy | 1991 Opel Astra | |
| Make | GMC | Opel |
| Model | Envoy | Astra |
| Year Released | 2006 | 1991 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 1389 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 82 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 447 Nm | 113 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Compression Ratio | 9.4:1 | 9.4:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1025 kg |
| Vehicle Length | 4870 mm | 4280 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1830 mm | 1480 mm |
| Wheelbase Size | 2880 mm | 2450 mm |
| Fuel Tank Capacity | 83 L | 52 L |
