2007 Opel Astra vs. 2004 Audi TT
To start off, 2007 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi TT. In addition, the cost of maintenance, including insurance, on 2004 Audi TT would be higher. At 1,780 cc (4 cylinders), 2004 Audi TT is equipped with a bigger engine. In terms of performance, 2004 Audi TT (148 HP @ 6300 RPM) has 49 more horse power than 2007 Opel Astra. (99 HP @ 4400 RPM) In normal driving conditions, 2004 Audi TT should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 53 kg more than 2004 Audi TT.
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, 2007 Opel Astra (240 Nm @ 2300 RPM) has 45 more torque (in Nm) than 2004 Audi TT. (195 Nm @ 1750 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi TT. 2004 Audi TT has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi TT will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Opel Astra | 2004 Audi TT | |
| Make | Opel | Audi |
| Model | Astra | TT |
| Year Released | 2007 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 1780 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 99 HP | 148 HP |
| Engine RPM | 4400 RPM | 6300 RPM |
| Torque | 240 Nm | 195 Nm |
| Torque RPM | 2300 RPM | 1750 RPM |
| Engine Bore Size | 79 mm | 81 mm |
| Engine Stroke Size | 86 mm | 86.4 mm |
| Engine Compression Ratio | 18.4:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1393 kg | 1340 kg |
| Vehicle Length | 4520 mm | 4010 mm |
| Vehicle Width | 1760 mm | 1760 mm |
| Vehicle Height | 1510 mm | 1350 mm |
| Wheelbase Size | 2710 mm | 2430 mm |
