2003 Alfa Romeo 166 vs. 2007 Opel Zafira
To start off, 2007 Opel Zafira is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (217 HP @ 6300 RPM) has 79 more horse power than 2007 Opel Zafira. (138 HP @ 6300 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2007 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 47 kg more than 2007 Opel Zafira. 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, 2003 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 90 more torque (in Nm) than 2007 Opel Zafira. (175 Nm @ 3800 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Zafira. 2003 Alfa Romeo 166 has automatic transmission and 2007 Opel Zafira has manual transmission. 2007 Opel Zafira will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Opel Zafira | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Zafira |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 138 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 265 Nm | 175 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 72.6 mm | 88.2 mm |
| Top Speed | 236 km/hour | 197 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1503 kg |
| Vehicle Length | 4730 mm | 3850 mm |
| Vehicle Width | 1810 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 2500 mm |
| Fuel Consumption Overall | 13 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 69 L | 58 L |
