1978 Buick Estate vs. 1989 Ford Sierra
To start off, 1989 Ford Sierra is newer by 11 year(s). Which means there will be less support and parts availability for 1978 Buick Estate. In addition, the cost of maintenance, including insurance, on 1978 Buick Estate would be higher. At 5,736 cc (8 cylinders), 1978 Buick Estate is equipped with a bigger engine. In terms of performance, 1978 Buick Estate (153 HP @ 3400 RPM) has 52 more horse power than 1989 Ford Sierra. (101 HP @ 5200 RPM). In normal driving conditions, 1978 Buick Estate should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1978 Buick Estate weights approximately 734 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1978 Buick Estate (381 Nm @ 1800 RPM) has 228 more torque (in Nm) than 1989 Ford Sierra. (153 Nm @ 4000 RPM). This means 1978 Buick Estate will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 1978 Buick Estate has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Buick Estate will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Buick Estate | 1989 Ford Sierra | |
| Make | Buick | Ford |
| Model | Estate | Sierra |
| Year Released | 1978 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 5736 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 101 HP |
| Engine RPM | 3400 RPM | 5200 RPM |
| Torque | 381 Nm | 153 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 90.8 mm |
| Engine Stroke Size | 97.8 mm | 77 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1146 kg |
| Vehicle Length | 5510 mm | 4430 mm |
| Vehicle Width | 1990 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2830 mm |
