1978 Buick LeSabre vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1978 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 1978 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (124 HP @ 3250 RPM) has 20 more horse power than 1978 Buick LeSabre. (104 HP @ 3400 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1978 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 20 kg more than 1978 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Buick LeSabre 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 LeSabre. 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 (280 Nm @ 1500 RPM) has 29 more torque (in Nm) than 1978 Buick LeSabre. (251 Nm @ 2000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick LeSabre.
Compare all specifications:
| 1978 Buick LeSabre | 2005 Opel Signum | |
| Make | Buick | Opel |
| Model | LeSabre | Signum |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 124 HP |
| Engine RPM | 3400 RPM | 3250 RPM |
| Torque | 251 Nm | 280 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1610 kg |
| Vehicle Length | 5550 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
