2009 Alfa Romeo GT vs. 2005 Audi S4
To start off, 2009 Alfa Romeo GT is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 202 more horse power than 2009 Alfa Romeo GT. (138 HP @ 6500 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 2009 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 370 kg more than 2009 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 247 more torque (in Nm) than 2009 Alfa Romeo GT. (163 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo GT.
Compare all specifications:
| 2009 Alfa Romeo GT | 2005 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | GT | S4 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 340 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 163 Nm | 410 Nm |
| Engine Bore Size | 82 mm | 85.1 mm |
| Engine Stroke Size | 82.7 mm | 93 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1735 kg |
| Vehicle Length | 4500 mm | 4550 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2660 mm |
| Fuel Consumption Overall | 8.5 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
