2005 Audi A4 vs. 2007 Opel GT
To start off, 2007 Opel GT is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 1,998 cc (4 cylinders), 2007 Opel GT is equipped with a bigger engine. In terms of performance, 2007 Opel GT (260 HP @ 5300 RPM) has 90 more horse power than 2005 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2007 Opel GT should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 275 kg more than 2007 Opel GT.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel GT. In wet, icy, snow, or gravel driving conditions, 2005 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, 2007 Opel GT (353 Nm) has 128 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 2007 Opel GT will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2007 Opel GT | |
| Make | Audi | Opel |
| Model | A4 | GT |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 260 HP |
| Engine RPM | 6500 RPM | 5300 RPM |
| Torque | 225 Nm | 353 Nm |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1335 kg |
| Vehicle Length | 4550 mm | 3790 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2770 mm | 2420 mm |
| Fuel Consumption Overall | 10.2 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 66 L | 50 L |
