2009 Audi A4 vs. 2005 Saturn ION
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Saturn ION. In addition, the cost of maintenance, including insurance, on 2005 Saturn ION would be higher. At 2,189 cc (4 cylinders), 2005 Saturn ION is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 20 more horse power than 2005 Saturn ION. (138 HP @ 5800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Saturn ION. With that said, vehicle weight also plays an important factor in acceleration. 2005 Saturn ION weights approximately 320 kg more than 2009 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 (250 Nm @ 1500 RPM) has 53 more torque (in Nm) than 2005 Saturn ION. (197 Nm @ 4400 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Saturn ION. 2009 Audi A4 has automatic transmission and 2005 Saturn ION has manual transmission. 2005 Saturn ION will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2005 Saturn ION | |
| Make | Audi | Saturn |
| Model | A4 | ION |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 2189 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 138 HP |
| Engine RPM | 4500 RPM | 5800 RPM |
| Torque | 250 Nm | 197 Nm |
| Torque RPM | 1500 RPM | 4400 RPM |
| Engine Bore Size | 82.5 mm | 86.1 mm |
| Engine Stroke Size | 84.1 mm | 94 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 930 kg | 1250 kg |
| Vehicle Length | 4710 mm | 4710 mm |
| Vehicle Width | 2010 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2630 mm |
