1978 Buick Regal vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Buick Regal. In addition, the cost of maintenance, including insurance, on 1978 Buick Regal would be higher. At 3,214 cc (6 cylinders), 1978 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 104 more horse power than 1978 Buick Regal. (104 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1978 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 165 kg more than 1978 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Buick Regal 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 1978 Buick Regal. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (300 Nm @ 4000 RPM) has 82 more torque (in Nm) than 1978 Buick Regal. (218 Nm @ 2000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick Regal.
Compare all specifications:
| 1978 Buick Regal | 2004 Opel Signum | |
| Make | Buick | Opel |
| Model | Regal | Signum |
| Year Released | 1978 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3214 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 208 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 218 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1595 kg |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2740 mm |
