1987 Ford Sierra vs. 1987 Renault 21
To start off, both 1987 Ford Sierra and 1987 Renault 21 were released in the same year (1987). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (113 HP @ 5300 RPM) has 38 more horse power than 1987 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 135 kg more than 1987 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 50 more torque (in Nm) than 1987 Renault 21. (130 Nm @ 3250 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 1987 Ford Sierra | 1987 Renault 21 | |
| Make | Ford | Renault |
| Model | Sierra | 21 |
| Year Released | 1987 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 75 HP |
| Engine RPM | 5300 RPM | 5000 RPM |
| Torque | 180 Nm | 130 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 96 mm | 81 mm |
| Engine Stroke Size | 79.5 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1090 kg | 955 kg |
| Vehicle Length | 4400 mm | 4470 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2550 mm |
| Fuel Tank Capacity | 45 L | 55 L |
