2003 Alfa Romeo 156 vs. 2007 Audi S8
To start off, 2007 Audi S8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (450 HP @ 7000 RPM) has 276 more horse power than 2003 Alfa Romeo 156. (174 HP @ 4000 RPM) In normal driving conditions, 2007 Audi S8 should accelerate faster than 2003 Alfa Romeo 156.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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 S8 (541 Nm @ 3500 RPM) has 156 more torque (in Nm) than 2003 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2007 Audi S8 has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2007 Audi S8 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S8 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 5204 cc |
| Engine Cylinders | 5 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 450 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 385 Nm | 541 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84.5 mm |
| Engine Stroke Size | 90.4 mm | 92.8 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4440 mm | 5070 mm |
| Vehicle Width | 1750 mm | 1900 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2950 mm |
| Fuel Consumption Overall | 6.6 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
