1991 Ford Sierra vs. 2008 Toyota Yaris
To start off, 2008 Toyota Yaris is newer by 17 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 1,798 cc (4 cylinders), 2008 Toyota Yaris is equipped with a bigger engine. In terms of performance, 2008 Toyota Yaris (131 HP @ 6000 RPM) has 56 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2008 Toyota Yaris should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Toyota Yaris weights approximately 65 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, 2008 Toyota Yaris (173 Nm @ 4400 RPM) has 21 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2008 Toyota Yaris will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2008 Toyota Yaris | |
| Make | Ford | Toyota |
| Model | Sierra | Yaris |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1798 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 131 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 152 Nm | 173 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Engine Bore Size | 82.5 mm | 80.5 mm |
| Engine Stroke Size | 82 mm | 88.3 mm |
| Engine Compression Ratio | 21.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1145 kg | 1210 kg |
| Vehicle Length | 4430 mm | 3810 mm |
| Vehicle Width | 1700 mm | 1700 mm |
| Vehicle Height | 1370 mm | 1540 mm |
| Wheelbase Size | 2620 mm | 2470 mm |
| Fuel Tank Capacity | 60 L | 42 L |
