2009 Audi A4 vs. 2005 Smart ForFour
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Smart ForFour. In addition, the cost of maintenance, including insurance, on 2005 Smart ForFour would be higher. At 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 5900 RPM) has 143 more horse power than 2005 Smart ForFour. (74 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Smart ForFour. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 565 kg more than 2005 Smart ForFour. 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, 2009 Audi A4 (300 Nm @ 2200 RPM) has 200 more torque (in Nm) than 2005 Smart ForFour. (100 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart ForFour. 2005 Smart ForFour has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Smart ForFour will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2005 Smart ForFour | |
| Make | Audi | Smart |
| Model | A4 | ForFour |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1124 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 74 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 100 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 242 km/hour | 165 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 13.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 965 kg |
| Vehicle Length | 4610 mm | 3760 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
| Fuel Consumption Overall | 8.1 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
