2009 Audi TT vs. 1974 Porsche 911
To start off, 2009 Audi TT is newer by 35 year(s). Which means there will be less support and parts availability for 1974 Porsche 911. In addition, the cost of maintenance, including insurance, on 1974 Porsche 911 would be higher. At 3,189 cc (6 cylinders), 2009 Audi TT is equipped with a bigger engine. In terms of performance, 2009 Audi TT (250 HP @ 6300 RPM) has 99 more horse power than 1974 Porsche 911. (151 HP @ 5700 RPM). In normal driving conditions, 2009 Audi TT should accelerate faster than 1974 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1974 Porsche 911 weights approximately 180 kg more than 2009 Audi TT.
Because 2009 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 1974 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 (320 Nm @ 2500 RPM) has 80 more torque (in Nm) than 1974 Porsche 911. (240 Nm @ 3800 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1974 Porsche 911.
Compare all specifications:
| 2009 Audi TT | 1974 Porsche 911 | |
| Make | Audi | Porsche |
| Model | TT | 911 |
| Year Released | 2009 | 1974 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3189 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 250 HP | 151 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 320 Nm | 240 Nm |
| Torque RPM | 2500 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 95.9 mm | 70.4 mm |
| Engine Compression Ratio | 18.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 895 kg | 1075 kg |
| Vehicle Length | 4180 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1370 mm | 1330 mm |
| Wheelbase Size | 2480 mm | 2270 mm |
| Fuel Tank Capacity | 60 L | 80 L |
