1988 BMW 730 vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 14 year(s). Which means there will be less support and parts availability for 1988 BMW 730. In addition, the cost of maintenance, including insurance, on 1988 BMW 730 would be higher. At 2,984 cc (6 cylinders), 1988 BMW 730 is equipped with a bigger engine. In terms of performance, 1988 BMW 730 (185 HP @ 5800 RPM) has 11 more horse power than 2002 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 1988 BMW 730 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 70 kg more than 1988 BMW 730.
Because 1988 BMW 730 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 1988 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Opel Signum (377 Nm @ 1900 RPM) has 117 more torque (in Nm) than 1988 BMW 730. (260 Nm @ 4000 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 730. 2002 Opel Signum has automatic transmission and 1988 BMW 730 has manual transmission. 1988 BMW 730 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 BMW 730 | 2002 Opel Signum | |
| Make | BMW | Opel |
| Model | 730 | Signum |
| Year Released | 1988 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2984 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 185 HP | 174 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 260 Nm | 377 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 89 mm | 87.5 mm |
| Engine Stroke Size | 80 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1600 kg | 1670 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Tank Capacity | 90 L | 58 L |
