1977 Buick Estate vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 1977 Buick Estate. In addition, the cost of maintenance, including insurance, on 1977 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1977 Buick Estate is equipped with a bigger engine. In terms of performance, 1977 Buick Estate (153 HP @ 3400 RPM) has 40 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1977 Buick Estate should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick Estate weights approximately 790 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1977 Buick Estate (380 Nm @ 1800 RPM) has 200 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1977 Buick Estate will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1977 Buick Estate | 1987 Ford Sierra | |
| Make | Buick | Ford |
| Model | Estate | Sierra |
| Year Released | 1977 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 2294 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 113 HP |
| Engine RPM | 3400 RPM | 5300 RPM |
| Torque | 380 Nm | 180 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 96.5 mm | 96 mm |
| Engine Stroke Size | 97.8 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1090 kg |
| Vehicle Length | 5510 mm | 4400 mm |
| Vehicle Width | 1990 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2950 mm | 2620 mm |
