1999 Audi TT vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Audi TT. In addition, the cost of maintenance, including insurance, on 1999 Audi TT would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 276 more horse power than 1999 Audi TT. (174 HP @ 5600 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 1999 Audi TT.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi TT. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (580 Nm @ 4000 RPM) has 350 more torque (in Nm) than 1999 Audi TT. (230 Nm @ 1950 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi TT. 2008 Audi A8 has automatic transmission and 1999 Audi TT has manual transmission. 1999 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi TT | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | TT | A8 |
| Year Released | 1999 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 5998 cc |
| Engine Type | in-line | W |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 450 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 230 Nm | 580 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90.2 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4010 mm | 5200 mm |
| Vehicle Width | 1760 mm | 1900 mm |
| Vehicle Height | 1350 mm | 1460 mm |
| Wheelbase Size | 2430 mm | 3080 mm |
| Fuel Tank Capacity | 55 L | 90 L |
