1987 Ford Sierra vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 21 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 3,498 cc (6 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (275 HP @ 6200 RPM) has 162 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 747 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, 2008 Infiniti M (363 Nm @ 4800 RPM) has 183 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2008 Infiniti M | |
| Make | Ford | Infiniti |
| Model | Sierra | M |
| Year Released | 1987 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 275 HP |
| Engine RPM | 5300 RPM | 6200 RPM |
| Torque | 180 Nm | 363 Nm |
| Torque RPM | 3000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1090 kg | 1837 kg |
| Vehicle Length | 4400 mm | 4900 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1520 mm |
| Wheelbase Size | 2620 mm | 2910 mm |
| Fuel Tank Capacity | 45 L | 76 L |
