1991 Ford Sierra vs. 2012 Chevrolet Sonic
To start off, 2012 Chevrolet Sonic is newer by 21 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 1,800 cc (4 cylinders), 2012 Chevrolet Sonic is equipped with a bigger engine. In terms of performance, 2012 Chevrolet Sonic (138 HP @ 6300 RPM) has 63 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2012 Chevrolet Sonic should accelerate faster than 1991 Ford Sierra.
Let's talk about torque, 2012 Chevrolet Sonic (169 Nm @ 3800 RPM) has 17 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2012 Chevrolet Sonic will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2012 Chevrolet Sonic | |
| Make | Ford | Chevrolet |
| Model | Sierra | Sonic |
| Year Released | 1991 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1800 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 138 HP |
| Engine RPM | 4500 RPM | 6300 RPM |
| Torque | 152 Nm | 169 Nm |
| Torque RPM | 2200 RPM | 3800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Fuel Tank Capacity | 60 L | 46 L |
