1991 Opel Astra vs. 2004 Volkswagen Passat
To start off, 2004 Volkswagen Passat is newer by 13 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 3,998 cc (8 cylinders), 2004 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2004 Volkswagen Passat (270 HP @ 4000 RPM) has 188 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM) In normal driving conditions, 2004 Volkswagen Passat should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Volkswagen Passat weights approximately 905 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 2004 Volkswagen Passat 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, 2004 Volkswagen Passat 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, 2004 Volkswagen Passat (370 Nm) has 257 more torque (in Nm) than 1991 Opel Astra. (113 Nm). This means 2004 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2004 Volkswagen Passat | |
| Make | Opel | Volkswagen |
| Model | Astra | Passat |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1388 cc | 3998 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | W |
| Horse Power | 82 HP | 270 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 113 Nm | 370 Nm |
| Engine Bore Size | 77.6 mm | 84 mm |
| Engine Stroke Size | 73.4 mm | 90 mm |
| Engine Compression Ratio | 9.4:1 | 10.8:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 940 kg | 1845 kg |
| Vehicle Length | 4060 mm | 4690 mm |
| Vehicle Width | 1690 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2610 mm | 2710 mm |
