1978 BMW 628 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1978 BMW 628. In addition, the cost of maintenance, including insurance, on 1978 BMW 628 would be higher. At 2,997 cc (8 cylinders), 1978 BMW 628 is equipped with a bigger engine. In terms of performance, 1978 BMW 628 (185 HP @ 5800 RPM) has 12 more horse power than 2008 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 1978 BMW 628 should accelerate faster than 2008 Opel Signum.
Because 1978 BMW 628 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 1978 BMW 628. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Signum, 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, 2008 Opel Signum (265 Nm @ 2500 RPM) has 5 more torque (in Nm) than 1978 BMW 628. (260 Nm @ 4000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 628.
Compare all specifications:
| 1978 BMW 628 | 2008 Opel Signum | |
| Make | BMW | Opel |
| Model | 628 | Signum |
| Year Released | 1978 | 2008 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 173 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 260 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4760 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 60 L |
