1975 Alfa Romeo GT vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo GT would be higher. At 1,781 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 5700 RPM) has 100 more horse power than 1975 Alfa Romeo GT. (87 HP @ 6000 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1975 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 495 kg more than 1975 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo GT. 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 (240 Nm @ 1950 RPM) has 100 more torque (in Nm) than 1975 Alfa Romeo GT. (140 Nm @ 3200 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo GT.
Compare all specifications:
| 1975 Alfa Romeo GT | 2009 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | GT | A4 |
| Year Released | 1975 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 187 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 140 Nm | 240 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 78 mm | 81 mm |
| Engine Stroke Size | 67.5 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 170 km/hour | 234 km/hour |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1475 kg |
| Vehicle Length | 4090 mm | 4550 mm |
| Vehicle Width | 1590 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2160 mm | 2660 mm |
| Fuel Tank Capacity | 46 L | 66 L |
