2007 Alfa Romeo 166 vs. 2003 MG ZR
To start off, 2007 Alfa Romeo 166 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 MG ZR. In addition, the cost of maintenance, including insurance, on 2003 MG ZR would be higher. At 2,959 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (217 HP @ 6300 RPM) has 115 more horse power than 2003 MG ZR. (102 HP @ 6000 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 2003 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 166 weights approximately 534 kg more than 2003 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 166 (265 Nm @ 5000 RPM) has 142 more torque (in Nm) than 2003 MG ZR. (123 Nm @ 4500 RPM). This means 2007 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZR. 2007 Alfa Romeo 166 has automatic transmission and 2003 MG ZR has manual transmission. 2003 MG ZR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2003 MG ZR | |
| Make | Alfa Romeo | MG |
| Model | 166 | ZR |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 102 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 123 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 75.1 mm |
| Engine Stroke Size | 72.6 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 8.6 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1554 kg | 1020 kg |
| Vehicle Length | 4730 mm | 4020 mm |
| Vehicle Width | 1810 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2710 mm | 2510 mm |
| Fuel Consumption Overall | 13 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 69 L | 50 L |
