1979 BMW 728 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1979 BMW 728. In addition, the cost of maintenance, including insurance, on 1979 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1979 BMW 728 is equipped with a bigger engine. In terms of performance, 1979 BMW 728 (181 HP @ 5800 RPM) has 57 more horse power than 2005 Opel Signum. (124 HP @ 3250 RPM). In normal driving conditions, 1979 BMW 728 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 140 kg more than 1979 BMW 728.
Because 1979 BMW 728 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 1979 BMW 728. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (280 Nm @ 1500 RPM) has 40 more torque (in Nm) than 1979 BMW 728. (240 Nm @ 4200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1979 BMW 728.
Compare all specifications:
1979 BMW 728 | 2005 Opel Signum | |
Make | BMW | Opel |
Model | 728 | Signum |
Year Released | 1979 | 2005 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 2788 cc | 2171 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 181 HP | 124 HP |
Engine RPM | 5800 RPM | 3250 RPM |
Torque | 240 Nm | 280 Nm |
Torque RPM | 4200 RPM | 1500 RPM |
Engine Bore Size | 86 mm | 84 mm |
Engine Stroke Size | 80 mm | 98 mm |
Engine Compression Ratio | 9.3:1 | 18.5:1 |
Top Speed | 201 km/hour | 201 km/hour |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1470 kg | 1610 kg |
Vehicle Length | 4870 mm | 4640 mm |
Vehicle Width | 1810 mm | 1800 mm |
Vehicle Height | 1440 mm | 1470 mm |
Wheelbase Size | 2800 mm | 2710 mm |
Fuel Tank Capacity | 100 L | 60 L |