2008 Audi A8 vs. 2005 Audi TT
To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi TT. In addition, the cost of maintenance, including insurance, on 2005 Audi TT would be higher. At 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 93 more horse power than 2005 Audi TT. (178 HP @ 5500 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 559 kg more than 2005 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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 (650 Nm @ 1800 RPM) has 415 more torque (in Nm) than 2005 Audi TT. (235 Nm @ 1950 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi TT. 2008 Audi A8 has automatic transmission and 2005 Audi TT has manual transmission. 2005 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:
| 2008 Audi A8 | 2005 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1779 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 271 HP | 178 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 650 Nm | 235 Nm |
| Torque RPM | 1800 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 222 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1944 kg | 1385 kg |
| Vehicle Length | 5190 mm | 4050 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1360 mm |
| Wheelbase Size | 3080 mm | 2470 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 90 L | 55 L |
