2005 Opel Vectra vs. 1994 Porsche 928
To start off, 2005 Opel Vectra is newer by 11 year(s). Which means there will be less support and parts availability for 1994 Porsche 928. In addition, the cost of maintenance, including insurance, on 1994 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1994 Porsche 928 is equipped with a bigger engine. In terms of performance, 1994 Porsche 928 (306 HP @ 5900 RPM) has 98 more horse power than 2005 Opel Vectra. (208 HP @ 6200 RPM) In normal driving conditions, 1994 Porsche 928 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 95 kg more than 1994 Porsche 928.
Let's talk about torque, 1994 Porsche 928 (409 Nm @ 4100 RPM) has 109 more torque (in Nm) than 2005 Opel Vectra. (300 Nm @ 4000 RPM). This means 1994 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2005 Opel Vectra | 1994 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Vectra | 928 |
| Year Released | 2005 | 1994 |
| Engine Position | Front | Front |
| Engine Size | 3175 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 306 HP |
| Engine RPM | 6200 RPM | 5900 RPM |
| Torque | 300 Nm | 409 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 87.5 mm | 97 mm |
| Engine Stroke Size | 88 mm | 78.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1625 kg | 1530 kg |
| Vehicle Length | 4830 mm | 4450 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1510 mm | 1290 mm |
| Wheelbase Size | 2700 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 76 L |
