2005 Opel Vectra vs. 1977 Porsche 928
To start off, 2005 Opel Vectra is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Porsche 928. In addition, the cost of maintenance, including insurance, on 1977 Porsche 928 would be higher. At 4,473 cc (8 cylinders), 1977 Porsche 928 is equipped with a bigger engine. In terms of performance, 1977 Porsche 928 (237 HP @ 5250 RPM) has 113 more horse power than 2005 Opel Vectra. (124 HP @ 3250 RPM) In normal driving conditions, 1977 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 110 kg more than 1977 Porsche 928.
Because 1977 Porsche 928 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Porsche 928. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 Porsche 928 (363 Nm @ 3600 RPM) has 83 more torque (in Nm) than 2005 Opel Vectra. (280 Nm @ 1500 RPM). This means 1977 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 1977 Porsche 928 has automatic transmission and 2005 Opel Vectra has manual transmission. 2005 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Porsche 928 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Vectra | 1977 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Vectra | 928 |
| Year Released | 2005 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 4473 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 124 HP | 237 HP |
| Engine RPM | 3250 RPM | 5250 RPM |
| Torque | 280 Nm | 363 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 98 mm | 78.9 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1450 kg |
| Vehicle Length | 4830 mm | 4450 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1510 mm | 1320 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 85 L |
