1987 Ford Sierra vs. 2006 Saab 9-7X
To start off, 2006 Saab 9-7X is newer by 19 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 5,326 cc, 2006 Saab 9-7X is equipped with a bigger engine. In terms of performance, 2006 Saab 9-7X (300 HP @ 5200 RPM) has 196 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM) In normal driving conditions, 2006 Saab 9-7X should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Saab 9-7X weights approximately 385 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 2006 Saab 9-7X 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, 2006 Saab 9-7X 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, 2006 Saab 9-7X (447 Nm @ 4000 RPM) has 287 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2006 Saab 9-7X will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2006 Saab 9-7X 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. 2006 Saab 9-7X will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2006 Saab 9-7X | |
| Make | Ford | Saab |
| Model | Sierra | 9-7X |
| Year Released | 1987 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 5326 cc |
| Horse Power | 104 HP | 300 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 160 Nm | 447 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1145 kg | 1530 kg |
| Vehicle Length | 4430 mm | 4910 mm |
| Vehicle Width | 1700 mm | 1920 mm |
| Vehicle Height | 1370 mm | 1750 mm |
| Wheelbase Size | 2620 mm | 2880 mm |
