2009 Audi A4 vs. 1991 Saab 9000
To start off, 2009 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Saab 9000. In addition, the cost of maintenance, including insurance, on 1991 Saab 9000 would be higher. At 1,985 cc (4 cylinders), 1991 Saab 9000 is equipped with a bigger engine. In terms of performance, 1991 Saab 9000 (135 HP @ 5500 RPM) has 21 more horse power than 2009 Audi A4. (114 HP @ 4000 RPM) In normal driving conditions, 1991 Saab 9000 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 125 kg more than 1991 Saab 9000.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Saab 9000. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2009 Audi A4 (285 Nm @ 1900 RPM) has 113 more torque (in Nm) than 1991 Saab 9000. (172 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Saab 9000.
Compare all specifications:
| 2009 Audi A4 | 1991 Saab 9000 | |
| Make | Audi | Saab |
| Model | A4 | 9000 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 135 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 285 Nm | 172 Nm |
| Torque RPM | 1900 RPM | 3000 RPM |
| Engine Bore Size | 79.6 mm | 90 mm |
| Engine Stroke Size | 95.5 mm | 78 mm |
| Engine Compression Ratio | 19.0:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1305 kg |
| Vehicle Length | 4550 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Tank Capacity | 70 L | 54 L |
