1984 Ford Sierra vs. 1979 Renault 15
To start off, 1984 Ford Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 1979 Renault 15. In addition, the cost of maintenance, including insurance, on 1979 Renault 15 would be higher. At 2,304 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1984 Ford Sierra (66 HP @ 4200 RPM) has 7 more horse power than 1979 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1984 Ford Sierra should accelerate faster than 1979 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 230 kg more than 1979 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1984 Ford Sierra (140 Nm @ 2000 RPM) has 42 more torque (in Nm) than 1979 Renault 15. (98 Nm @ 3500 RPM). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1979 Renault 15.
Compare all specifications:
| 1984 Ford Sierra | 1979 Renault 15 | |
| Make | Ford | Renault |
| Model | Sierra | 15 |
| Year Released | 1984 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2304 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 59 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 140 Nm | 98 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 94 mm | 75 mm |
| Engine Stroke Size | 83 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1195 kg | 965 kg |
| Vehicle Length | 4420 mm | 4260 mm |
| Vehicle Width | 1730 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1320 mm |
| Wheelbase Size | 2620 mm | 2440 mm |
| Fuel Tank Capacity | 60 L | 55 L |
