1985 Ford Sierra vs. 1971 MG MGB
To start off, 1985 Ford Sierra is newer by 14 year(s). Which means there will be less support and parts availability for 1971 MG MGB. In addition, the cost of maintenance, including insurance, on 1971 MG MGB would be higher. At 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 51 more horse power than 1971 MG MGB. (97 HP @ 5400 RPM). In normal driving conditions, 1985 Ford Sierra should accelerate faster than 1971 MG MGB. With that said, vehicle weight also plays an important factor in acceleration. 1985 Ford Sierra weights approximately 325 kg more than 1971 MG MGB. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1985 Ford Sierra (220 Nm @ 3800 RPM) has 71 more torque (in Nm) than 1971 MG MGB. (149 Nm @ 3000 RPM). This means 1985 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 MG MGB.
Compare all specifications:
| 1985 Ford Sierra | 1971 MG MGB | |
| Make | Ford | MG |
| Model | Sierra | MGB |
| Year Released | 1985 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 1798 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 97 HP |
| Engine RPM | 5700 RPM | 5400 RPM |
| Torque | 220 Nm | 149 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1205 kg | 880 kg |
