2007 Audi S4 vs. 2009 Ford Flex
To start off, 2009 Ford Flex is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 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 (339 HP @ 7000 RPM) has 77 more horse power than 2009 Ford Flex. (262 HP @ 6250 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2009 Ford Flex. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 744 kg more than 2009 Ford Flex. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Ford Flex. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 will offer significantly more control. 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 Audi S4 (410 Nm @ 3500 RPM) has 74 more torque (in Nm) than 2009 Ford Flex. (336 Nm @ 4500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Ford Flex.
Compare all specifications:
| 2007 Audi S4 | 2009 Ford Flex | |
| Make | Audi | Ford |
| Model | S4 | Flex |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 262 HP |
| Engine RPM | 7000 RPM | 6250 RPM |
| Torque | 410 Nm | 336 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1710 kg | 966 kg |
| Vehicle Length | 4590 mm | 5130 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1730 mm |
| Wheelbase Size | 2650 mm | 3000 mm |
| Fuel Consumption Overall | 12.3 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
