1987 Ford Sierra vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 22 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 4,493 cc (8 cylinders), 2009 Infiniti M is equipped with a bigger engine. In terms of performance, 2009 Infiniti M (325 HP @ 6400 RPM) has 235 more horse power than 1987 Ford Sierra. (90 HP @ 5400 RPM) In normal driving conditions, 2009 Infiniti M should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti M weights approximately 664 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.
Because 2009 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti M will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Infiniti M (456 Nm @ 4000 RPM) has 313 more torque (in Nm) than 1987 Ford Sierra. (143 Nm @ 3500 RPM). This means 2009 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2009 Infiniti M has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2009 Infiniti M | |
| Make | Ford | Infiniti |
| Model | Sierra | M |
| Year Released | 1987 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 4493 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 325 HP |
| Engine RPM | 5400 RPM | 6400 RPM |
| Torque | 143 Nm | 456 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1055 kg | 1719 kg |
| Vehicle Length | 4500 mm | 4940 mm |
| Vehicle Width | 1680 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1530 mm |
| Wheelbase Size | 2620 mm | 2910 mm |
