2007 Alfa Romeo 156 vs. 2005 MG ZR
To start off, 2007 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 MG ZR. In addition, the cost of maintenance, including insurance, on 2005 MG ZR would be higher. At 2,387 cc (5 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (174 HP @ 4000 RPM) has 16 more horse power than 2005 MG ZR. (158 HP @ 6900 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 2005 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 156 weights approximately 265 kg more than 2005 MG ZR. 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 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 208 more torque (in Nm) than 2005 MG ZR. (177 Nm @ 4700 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2005 MG ZR.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2005 MG ZR | |
| Make | Alfa Romeo | MG |
| Model | 156 | ZR |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1796 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 158 HP |
| Engine RPM | 4000 RPM | 6900 RPM |
| Torque | 385 Nm | 177 Nm |
| Torque RPM | 2000 RPM | 4700 RPM |
| Engine Bore Size | 82 mm | 80 mm |
| Engine Stroke Size | 90.4 mm | 89.3 mm |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 8.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1385 kg | 1120 kg |
| Vehicle Length | 4440 mm | 4020 mm |
| Vehicle Width | 1750 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2510 mm |
| Fuel Consumption Overall | 6.6 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 63 L | 65 L |
