2007 Opel Zafira vs. 1991 Porsche 911
To start off, 2007 Opel Zafira is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 3,163 cc (6 cylinders), 1991 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Opel Zafira (429 HP @ 2000 RPM) has 201 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2007 Opel Zafira should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Zafira weights approximately 438 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Porsche 911 (286 Nm @ 4800 RPM) has 176 more torque (in Nm) than 2007 Opel Zafira. (110 Nm @ 4000 RPM). This means 1991 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Zafira.
Compare all specifications:
| 2007 Opel Zafira | 1991 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Zafira | 911 |
| Year Released | 2007 | 1991 |
| Body Type | Minivan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 1910 cc | 3163 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 429 HP | 228 HP |
| Engine RPM | 2000 RPM | 5900 RPM |
| Torque | 110 Nm | 286 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1613 kg | 1175 kg |
| Vehicle Length | 4470 mm | 4300 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1650 mm | 1260 mm |
