1991 Ford Sierra vs. 2010 Acura MDX
To start off, 2010 Acura MDX is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 3,700 cc (6 cylinders), 2010 Acura MDX is equipped with a bigger engine. In terms of performance, 2010 Acura MDX (300 HP @ 6300 RPM) has 226 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2010 Acura MDX should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2010 Acura MDX weights approximately 1049 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Acura MDX is all wheel drive (AWD), it will have significant more traction and grip than 1991 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2010 Acura MDX 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, 2010 Acura MDX (366 Nm @ 4500 RPM) has 243 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2010 Acura MDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra. 2010 Acura MDX has automatic transmission and 1991 Ford Sierra has manual transmission. 1991 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Acura MDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Ford Sierra | 2010 Acura MDX | |
| Make | Ford | Acura |
| Model | Sierra | MDX |
| Year Released | 1991 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 300 HP |
| Engine RPM | 4900 RPM | 6300 RPM |
| Torque | 123 Nm | 366 Nm |
| Torque RPM | 2900 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1015 kg | 2064 kg |
| Vehicle Length | 4430 mm | 4867 mm |
| Vehicle Width | 1700 mm | 1994 mm |
| Vehicle Height | 1370 mm | 1732 mm |
| Wheelbase Size | 2620 mm | 2751 mm |
