2004 Alfa Romeo 156 vs. 2007 Volvo S40
To start off, 2007 Volvo S40 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 1,998 cc (4 cylinders), 2007 Volvo S40 is equipped with a bigger engine. In terms of performance, 2007 Volvo S40 (134 HP @ 4000 RPM) has 21 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2007 Volvo S40 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Volvo S40 weights approximately 95 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Volvo S40 (340 Nm @ 2000 RPM) has 65 more torque (in Nm) than 2004 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2007 Volvo S40 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2007 Volvo S40 | |
| Make | Alfa Romeo | Volvo |
| Model | 156 | S40 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 134 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 275 Nm | 340 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Compression Ratio | 18.4:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 191 km/hour | 205 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1405 kg | 1500 kg |
| Vehicle Length | 4440 mm | 4470 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2650 mm |
| Fuel Consumption Overall | 5.8 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
