2007 Alfa Romeo Spider vs. 2003 MG ZR
To start off, 2007 Alfa Romeo Spider 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 2,386 cc (5 cylinders), 2007 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo Spider (197 HP @ 4000 RPM) has 39 more horse power than 2003 MG ZR. (158 HP @ 6900 RPM). In normal driving conditions, 2007 Alfa Romeo Spider should accelerate faster than 2003 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo Spider weights approximately 615 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 Spider (400 Nm @ 2000 RPM) has 226 more torque (in Nm) than 2003 MG ZR. (174 Nm @ 4700 RPM). This means 2007 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZR.
Compare all specifications:
| 2007 Alfa Romeo Spider | 2003 MG ZR | |
| Make | Alfa Romeo | MG |
| Model | Spider | ZR |
| Year Released | 2007 | 2003 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 1794 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 158 HP |
| Engine RPM | 4000 RPM | 6900 RPM |
| Torque | 400 Nm | 174 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 | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 228 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 7.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1735 kg | 1120 kg |
| Vehicle Length | 4440 mm | 4020 mm |
| Vehicle Width | 1840 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2510 mm |
| Fuel Consumption Overall | 6.8 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
