1990 Buick Skylark vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Buick Skylark. In addition, the cost of maintenance, including insurance, on 1990 Buick Skylark would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 98 more horse power than 1990 Buick Skylark. (110 HP @ 5200 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1990 Buick Skylark. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 415 kg more than 1990 Buick Skylark. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 117 more torque (in Nm) than 1990 Buick Skylark. (183 Nm @ 3200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1990 Buick Skylark.
Compare all specifications:
| 1990 Buick Skylark | 2005 Opel Signum | |
| Make | Buick | Opel |
| Model | Skylark | Signum |
| Year Released | 1990 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2471 cc | 3174 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 110 HP | 208 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 183 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 101.6 mm | 87.5 mm |
| Engine Stroke Size | 76.2 mm | 88 mm |
| Engine Compression Ratio | 8.3:1 | 10.0:1 |
| Top Speed | 180 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1195 kg | 1610 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2840 mm |
| Fuel Tank Capacity | 51 L | 60 L |
