1989 Ford Sierra vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 22 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (408 HP @ 7300 RPM) has 260 more horse power than 1989 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 125 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2011 Porsche 911. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra 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, 2011 Porsche 911 (420 Nm @ 4200 RPM) has 182 more torque (in Nm) than 1989 Ford Sierra. (238 Nm @ 3000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 2011 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Sierra | 911 |
| Year Released | 1989 | 2011 |
| Engine Position | Front | Rear |
| Engine Size | 2933 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 148 HP | 408 HP |
| Engine RPM | 5700 RPM | 7300 RPM |
| Torque | 238 Nm | 420 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1295 kg | 1420 kg |
| Vehicle Length | 4430 mm | 4435 mm |
| Vehicle Width | 1700 mm | 1852 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2610 mm | 2350 mm |
| Fuel Tank Capacity | 55 L | 67 L |
