1991 Ford Sierra vs. 2003 Smart Roadster
To start off, 2003 Smart Roadster is newer by 12 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, 2003 Smart Roadster (100 HP @ 5250 RPM) has 25 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2003 Smart Roadster should accelerate faster than 1991 Ford Sierra.
Let's talk about torque, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 22 more torque (in Nm) than 2003 Smart Roadster. (130 Nm @ 2500 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Smart Roadster.
Compare all specifications:
| 1991 Ford Sierra | 2003 Smart Roadster | |
| Make | Ford | Smart |
| Model | Sierra | Roadster |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Rear |
| Engine Size | 1751 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 100 HP |
| Engine RPM | 4500 RPM | 5250 RPM |
| Torque | 152 Nm | 130 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Engine Compression Ratio | 21.5:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4430 mm | 3430 mm |
| Vehicle Width | 1700 mm | 1620 mm |
| Vehicle Height | 1370 mm | 1200 mm |
| Wheelbase Size | 2620 mm | 2370 mm |
| Fuel Tank Capacity | 60 L | 35 L |
