2005 Audi A6 vs. 1991 Opel Astra
To start off, 2005 Audi A6 is newer by 14 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 3,189 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (218 HP @ 4000 RPM) has 162 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1991 Opel Astra.
Because 2005 Audi A6 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, 2005 Audi A6 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, 2005 Audi A6 (400 Nm @ 1400 RPM) has 295 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2005 Audi A6 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. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2005 | 1991 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 1698 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 218 HP | 56 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 400 Nm | 105 Nm |
| Torque RPM | 1400 RPM | 2400 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91.4 mm | 79.5 mm |
| Engine Compression Ratio | 17.0:1 | 23.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4940 mm | 4250 mm |
| Vehicle Width | 1870 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 52 L |
