2009 Audi S4 vs. 2010 Alfa Romeo 159
To start off, 2010 Alfa Romeo 159 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi S4. In addition, the cost of maintenance, including insurance, on 2009 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 6800 RPM) has 132 more horse power than 2010 Alfa Romeo 159. (208 HP @ 4000 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 2010 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2010 Alfa Romeo 159 weights approximately 790 kg more than 2009 Audi S4.
Because 2009 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi S4 (410 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2010 Alfa Romeo 159. (400 Nm @ 1500 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Alfa Romeo 159. 2009 Audi S4 has automatic transmission and 2010 Alfa Romeo 159 has manual transmission. 2010 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi S4 | 2010 Alfa Romeo 159 | |
| Make | Audi | Alfa Romeo |
| Model | S4 | 159 |
| Year Released | 2009 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2387 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 208 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 410 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1720 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 14.7 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
