1987 Ford Sierra vs. 2007 Mazda 6
To start off, 2007 Mazda 6 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (139 HP @ 6000 RPM) has 26 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 285 kg more than 1987 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, 2007 Mazda 6 (181 Nm @ 4500 RPM) has 1 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2007 Mazda 6 | |
| Make | Ford | Mazda |
| Model | Sierra | 6 |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 1999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 139 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 180 Nm | 181 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 96 mm | 87.6 mm |
| Engine Stroke Size | 79.5 mm | 83.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 1375 kg |
| Vehicle Length | 4400 mm | 4690 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2680 mm |
| Fuel Tank Capacity | 45 L | 64 L |
