1973 BMW 3.3 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 32 year(s). Which means there will be less support and parts availability for 1973 BMW 3.3. In addition, the cost of maintenance, including insurance, on 1973 BMW 3.3 would be higher. At 3,295 cc (6 cylinders), 1973 BMW 3.3 is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 18 more horse power than 1973 BMW 3.3. (190 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1973 BMW 3.3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 160 kg more than 1973 BMW 3.3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 BMW 3.3 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 1973 BMW 3.3. 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 (300 Nm @ 4000 RPM) has 11 more torque (in Nm) than 1973 BMW 3.3. (289 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 3.3. 1973 BMW 3.3 has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 BMW 3.3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 BMW 3.3 | 2005 Opel Signum | |
| Make | BMW | Opel |
| Model | 3.3 | Signum |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3295 cc | 3174 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 190 HP | 208 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 289 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Top Speed | 204 km/hour | 237 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1610 kg |
| Vehicle Length | 4810 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2840 mm |
| Fuel Tank Capacity | 95 L | 60 L |
