2003 Buick Blackhawk vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Buick Blackhawk. In addition, the cost of maintenance, including insurance, on 2003 Buick Blackhawk would be higher. At 7,458 cc (8 cylinders), 2003 Buick Blackhawk is equipped with a bigger engine. In terms of performance, 2003 Buick Blackhawk (240 HP @ 5200 RPM) has 65 more horse power than 2005 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2003 Buick Blackhawk should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 37 kg more than 2003 Buick Blackhawk.
Because 2003 Buick Blackhawk 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 2003 Buick Blackhawk. 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, 2003 Buick Blackhawk (692 Nm) has 322 more torque (in Nm) than 2005 Opel Signum. (370 Nm). This means 2003 Buick Blackhawk will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2003 Buick Blackhawk 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. 2003 Buick Blackhawk will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Buick Blackhawk | 2005 Opel Signum | |
| Make | Buick | Opel |
| Model | Blackhawk | Signum |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 7458 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 240 HP | 175 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 692 Nm | 370 Nm |
| Engine Bore Size | 109.2 mm | 87.5 mm |
| Engine Stroke Size | 99.1 mm | 82 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1633 kg | 1670 kg |
| Vehicle Length | 5190 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 3280 mm | 2620 mm |
