2009 Audi TT vs. 1998 Porsche 911
To start off, 2009 Audi TT is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Porsche 911. In addition, the cost of maintenance, including insurance, on 1998 Porsche 911 would be higher. At 3,387 cc (6 cylinders), 1998 Porsche 911 is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (296 HP @ 6800 RPM) has 28 more horse power than 2009 Audi TT. (268 HP @ 6000 RPM) In normal driving conditions, 1998 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 35 kg more than 1998 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, both vehicles can yield 350 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 1998 Porsche 911 has automatic transmission and 2009 Audi TT has manual transmission. 2009 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi TT | 1998 Porsche 911 | |
| Make | Audi | Porsche |
| Model | TT | 911 |
| Year Released | 2009 | 1998 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1984 cc | 3387 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 296 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 350 Nm | 350 Nm |
| Torque RPM | 2500 RPM | 4600 RPM |
| Engine Bore Size | 82.6 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Engine Compression Ratio | 9.8:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1455 kg | 1420 kg |
| Vehicle Length | 4200 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1360 mm | 1310 mm |
| Wheelbase Size | 2470 mm | 2360 mm |
| Fuel Tank Capacity | 60 L | 63 L |
