1975 BMW 320 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1975 BMW 320. In addition, the cost of maintenance, including insurance, on 1975 BMW 320 would be higher. At 1,990 cc (4 cylinders), 1975 BMW 320 is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (120 HP @ 6000 RPM) has 11 more horse power than 1975 BMW 320. (109 HP @ 5800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1975 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 415 kg more than 1975 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 BMW 320 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 1975 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (166 Nm @ 3800 RPM) has 9 more torque (in Nm) than 1975 BMW 320. (157 Nm @ 3700 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320.
Compare all specifications:
1975 BMW 320 | 2003 Opel Signum | |
Make | BMW | Opel |
Model | 320 | Signum |
Year Released | 1975 | 2003 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 1990 cc | 1796 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 109 HP | 120 HP |
Engine RPM | 5800 RPM | 6000 RPM |
Torque | 157 Nm | 166 Nm |
Torque RPM | 3700 RPM | 3800 RPM |
Engine Bore Size | 89 mm | 80.5 mm |
Engine Stroke Size | 80 mm | 88.2 mm |
Engine Compression Ratio | 8.1:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1120 kg | 1535 kg |
Vehicle Length | 4360 mm | 4640 mm |
Vehicle Width | 1620 mm | 1800 mm |
Vehicle Height | 1350 mm | 1470 mm |
Wheelbase Size | 2580 mm | 2840 mm |
Fuel Tank Capacity | 52 L | 60 L |