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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 4000 RPM) has 47 more horse power than 1975 BMW 320. (128 HP @ 6000 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 620 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 (371 Nm @ 1900 RPM) has 197 more torque (in Nm) than 1975 BMW 320. (174 Nm @ 4000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 320. 2003 Opel Signum has automatic transmission and 1975 BMW 320 has manual transmission. 1975 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
1975 BMW 320 | 2003 Opel Signum | |
Make | BMW | Opel |
Model | 320 | Signum |
Year Released | 1975 | 2003 |
Engine Position | Front | Front |
Engine Size | 1991 cc | 2958 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 128 HP | 175 HP |
Engine RPM | 6000 RPM | 4000 RPM |
Torque | 174 Nm | 371 Nm |
Torque RPM | 4000 RPM | 1900 RPM |
Engine Bore Size | 80 mm | 87.5 mm |
Engine Stroke Size | 66 mm | 82 mm |
Fuel Type | Gasoline - Premium | Diesel |
Top Speed | 195 km/hour | 221 km/hour |
Acceleration 0-100mph | 11.2 seconds | 9.4 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1050 kg | 1670 kg |
Vehicle Length | 4330 mm | 4640 mm |
Vehicle Width | 1650 mm | 1800 mm |
Vehicle Height | 1390 mm | 1470 mm |
Wheelbase Size | 2580 mm | 2700 mm |