2003 Opel Astra vs. 2004 Smart ForFour
To start off, 2004 Smart ForFour is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 1,998 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Smart ForFour (94 HP @ 6000 RPM) has 12 more horse power than 2003 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 2004 Smart ForFour should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 415 kg more than 2004 Smart ForFour.
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, 2003 Opel Astra (185 Nm @ 1500 RPM) has 60 more torque (in Nm) than 2004 Smart ForFour. (125 Nm @ 4000 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 Smart ForFour.
Compare all specifications:
| 2003 Opel Astra | 2004 Smart ForFour | |
| Make | Opel | Smart |
| Model | Astra | ForFour |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1332 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 82 HP | 94 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 185 Nm | 125 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 170 km/hour | 180 km/hour |
| Acceleration 0-100mph | 15.5 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 970 kg |
| Vehicle Length | 4260 mm | 3760 mm |
| Vehicle Width | 1700 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2510 mm |
| Fuel Tank Capacity | 52 L | 47 L |
