1999 Audi TT vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 8 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 1,796 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 1999 Audi TT (174 HP @ 5600 RPM) has 52 more horse power than 2007 Opel Astra. (122 HP @ 5600 RPM). In normal driving conditions, 1999 Audi TT should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi TT weights approximately 44 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 1999 Audi TT (230 Nm @ 1950 RPM) has 60 more torque (in Nm) than 2007 Opel Astra. (170 Nm @ 3800 RPM). This means 1999 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 1999 Audi TT | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | TT | Astra |
| Year Released | 1999 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 122 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 230 Nm | 170 Nm |
| Torque RPM | 1950 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 86.4 mm | 88.2 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1310 kg | 1266 kg |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 2430 mm | 2620 mm |
| Fuel Tank Capacity | 55 L | 52 L |
