2004 Alfa Romeo 156 vs. 2009 Audi S8
To start off, 2009 Audi S8 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 5,204 cc (10 cylinders), 2009 Audi S8 is equipped with a bigger engine. In terms of performance, 2009 Audi S8 (450 HP @ 7000 RPM) has 302 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Audi S8 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 350 kg more than 2009 Audi S8.
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 S8 (540 Nm @ 3500 RPM) has 240 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 2000 RPM). This means 2009 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2009 Audi S8 has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2009 Audi S8 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S8 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5204 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 450 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 300 Nm | 540 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Compression Ratio | 18.5:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 10.5 seconds | 5.1 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1175 kg |
| Vehicle Width | 1750 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2950 mm |
| Fuel Consumption Overall | 6.8 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
