2007 Audi RS4 vs. 2004 Alfa Romeo 156
To start off, 2007 Audi RS4 is newer by 3 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 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 167 more horse power than 2004 Alfa Romeo 156. (247 HP @ 6200 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 309 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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 RS4 (431 Nm @ 5500 RPM) has 131 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 4800 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2004 Alfa Romeo 156 has automatic transmission and 2007 Audi RS4 has manual transmission. 2007 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi RS4 | 2004 Alfa Romeo 156 | |
| Make | Audi | Alfa Romeo |
| Model | RS4 | 156 |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3179 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 247 HP |
| Engine RPM | 7800 RPM | 6200 RPM |
| Torque | 431 Nm | 300 Nm |
| Torque RPM | 5500 RPM | 4800 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1845 kg | 1536 kg |
| Vehicle Length | 4560 mm | 4450 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 13.9 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
