1979 Buick Estate vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 25 year(s). Which means there will be less support and parts availability for 1979 Buick Estate. In addition, the cost of maintenance, including insurance, on 1979 Buick Estate would be higher. At 5,736 cc (8 cylinders), 1979 Buick Estate is equipped with a bigger engine. In terms of performance, 1979 Buick Estate (104 HP @ 3200 RPM) has 5 more horse power than 2004 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1979 Buick Estate should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1979 Buick Estate weights approximately 280 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 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 1979 Buick Estate. 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, 1979 Buick Estate (275 Nm @ 1600 RPM) has 45 more torque (in Nm) than 2004 Opel Signum. (230 Nm @ 1500 RPM). This means 1979 Buick Estate will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 1979 Buick Estate has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1979 Buick Estate will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1979 Buick Estate | 2004 Opel Signum | |
| Make | Buick | Opel |
| Model | Estate | Signum |
| Year Released | 1979 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5736 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 104 HP | 99 HP |
| Engine RPM | 3200 RPM | 3120 RPM |
| Torque | 275 Nm | 230 Nm |
| Torque RPM | 1600 RPM | 1500 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1875 kg | 1595 kg |
| Vehicle Length | 5510 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2620 mm |
