1991 Ford Sierra vs. 2004 Peugeot 406
To start off, 2004 Peugeot 406 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 1,997 cc (4 cylinders), 2004 Peugeot 406 is equipped with a bigger engine. In terms of performance, 2004 Peugeot 406 (134 HP @ 6000 RPM) has 59 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2004 Peugeot 406 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Peugeot 406 weights approximately 225 kg more than 1991 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, 2004 Peugeot 406 (190 Nm @ 4100 RPM) has 38 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2004 Peugeot 406 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2004 Peugeot 406 | |
| Make | Ford | Peugeot |
| Model | Sierra | 406 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 134 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 152 Nm | 190 Nm |
| Torque RPM | 2200 RPM | 4100 RPM |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 21.5:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1370 kg |
| Vehicle Length | 4430 mm | 4620 mm |
| Vehicle Width | 1700 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2600 mm |
| Fuel Tank Capacity | 60 L | 70 L |
