1984 Ford Sierra vs. 2011 Mazda CX-9
To start off, 2011 Mazda CX-9 is newer by 27 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 3,700 cc (6 cylinders), 2011 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2011 Mazda CX-9 (273 HP @ 6250 RPM) has 184 more horse power than 1984 Ford Sierra. (89 HP @ 5400 RPM) In normal driving conditions, 2011 Mazda CX-9 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mazda CX-9 weights approximately 954 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2011 Mazda CX-9, being front wheel drive (FWD), will offer much better control with better grip. 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 Mazda CX-9 (366 Nm @ 4250 RPM) has 222 more torque (in Nm) than 1984 Ford Sierra. (144 Nm @ 3500 RPM). This means 2011 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2011 Mazda CX-9 has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 2011 Mazda CX-9 | |
| Make | Ford | Mazda |
| Model | Sierra | CX-9 |
| Year Released | 1984 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 273 HP |
| Engine RPM | 5400 RPM | 6250 RPM |
| Torque | 144 Nm | 366 Nm |
| Torque RPM | 3500 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1010 kg | 1964 kg |
| Vehicle Length | 4400 mm | 5085 mm |
| Vehicle Width | 1680 mm | 1935 mm |
| Vehicle Height | 1370 mm | 1727 mm |
| Wheelbase Size | 2620 mm | 2875 mm |
