1991 Ford Sierra vs. 2005 Seat Leon
To start off, 2005 Seat Leon is newer by 14 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 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 2005 Seat Leon (104 HP @ 5700 RPM) has 29 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2005 Seat Leon should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Seat Leon weights approximately 75 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, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 4 more torque (in Nm) than 2005 Seat Leon. (148 Nm @ 4500 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Seat Leon.
Compare all specifications:
| 1991 Ford Sierra | 2005 Seat Leon | |
| Make | Ford | Seat |
| Model | Sierra | Leon |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 104 HP |
| Engine RPM | 4500 RPM | 5700 RPM |
| Torque | 152 Nm | 148 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Bore Size | 82.5 mm | 76.5 mm |
| Engine Stroke Size | 82 mm | 86.9 mm |
| Engine Compression Ratio | 21.5:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1145 kg | 1220 kg |
| Vehicle Length | 4430 mm | 4190 mm |
| Vehicle Width | 1700 mm | 1750 mm |
| Vehicle Height | 1370 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2580 mm |
| Fuel Tank Capacity | 60 L | 55 L |
