2007 Audi S4 vs. 2006 Smart ForFour
To start off, 2007 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Smart ForFour. In addition, the cost of maintenance, including insurance, on 2006 Smart ForFour would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 247 more horse power than 2006 Smart ForFour. (94 HP @ 6000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2006 Smart ForFour.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 285 more torque (in Nm) than 2006 Smart ForFour. (125 Nm @ 4000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForFour. 2006 Smart ForFour has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Smart ForFour will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 2006 Smart ForFour | |
| Make | Audi | Smart |
| Model | S4 | ForFour |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1332 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 94 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 125 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 75.6 mm |
| Engine Stroke Size | 92.7 mm | 75.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4590 mm | 3760 mm |
| Vehicle Width | 1730 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2650 mm | 2510 mm |
| Fuel Tank Capacity | 63 L | 47 L |
