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 4,493 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 259 more horse power than 1987 Ford Sierra. (66 HP @ 4200 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 632 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 2008 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, 2008 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 314 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2008 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. 2008 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2008 Infiniti M | |
| Make | Ford | Infiniti |
| Model | Sierra | M |
| Year Released | 1987 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 4493 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 325 HP |
| Engine RPM | 4200 RPM | 6400 RPM |
| Torque | 142 Nm | 456 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1205 kg | 1837 kg |
| Vehicle Length | 4500 mm | 4900 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1520 mm |
| Wheelbase Size | 2620 mm | 2910 mm |
