2009 Audi TT vs. 1975 Porsche 911
To start off, 2009 Audi TT is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Porsche 911. In addition, the cost of maintenance, including insurance, on 1975 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1975 Porsche 911 is equipped with a bigger engine. In terms of performance, 1975 Porsche 911 (260 HP @ 5500 RPM) has 92 more horse power than 2009 Audi TT. (168 HP @ 4200 RPM) In normal driving conditions, 1975 Porsche 911 should accelerate faster than 2009 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi TT weights approximately 175 kg more than 1975 Porsche 911.
Because 2009 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 1975 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2009 Audi TT 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 TT (350 Nm @ 1750 RPM) has 7 more torque (in Nm) than 1975 Porsche 911. (343 Nm @ 4000 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1975 Porsche 911.
Compare all specifications:
| 2009 Audi TT | 1975 Porsche 911 | |
| Make | Audi | Porsche |
| Model | TT | 911 |
| Year Released | 2009 | 1975 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1968 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 260 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 350 Nm | 343 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 95.1 mm |
| Engine Stroke Size | 95.5 mm | 70.4 mm |
| Engine Compression Ratio | 16.5:1 | 6.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1370 kg | 1195 kg |
| Vehicle Length | 4180 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2470 mm | 2270 mm |
| Fuel Tank Capacity | 60 L | 79 L |
