1981 Buick Estate vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Buick Estate. In addition, the cost of maintenance, including insurance, on 1981 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1981 Buick Estate is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (173 HP @ 5500 RPM) has 20 more horse power than 1981 Buick Estate. (153 HP @ 3400 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1981 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 1981 Buick Estate weights approximately 320 kg more than 2006 Opel Signum.
Because 1981 Buick Estate 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 1981 Buick Estate. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 1981 Buick Estate (380 Nm @ 1800 RPM) has 114 more torque (in Nm) than 2006 Opel Signum. (266 Nm @ 2500 RPM). This means 1981 Buick Estate will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum. 1981 Buick Estate has automatic transmission and 2006 Opel Signum has manual transmission. 2006 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Buick Estate will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Buick Estate | 2006 Opel Signum | |
| Make | Buick | Opel |
| Model | Estate | Signum |
| Year Released | 1981 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 173 HP |
| Engine RPM | 3400 RPM | 5500 RPM |
| Torque | 380 Nm | 266 Nm |
| Torque RPM | 1800 RPM | 2500 RPM |
| Engine Bore Size | 96.5 mm | 86 mm |
| Engine Stroke Size | 97.8 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1560 kg |
| Vehicle Length | 5510 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
