1991 Ford Tempo vs. 2006 Mercury Mountaineer
To start off, 2006 Mercury Mountaineer is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Ford Tempo. In addition, the cost of maintenance, including insurance, on 1991 Ford Tempo would be higher. At 4,605 cc (8 cylinders), 2006 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2006 Mercury Mountaineer (292 HP @ 5750 RPM) has 195 more horse power than 1991 Ford Tempo. (97 HP @ 4400 RPM) In normal driving conditions, 2006 Mercury Mountaineer should accelerate faster than 1991 Ford Tempo. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mountaineer weights approximately 775 kg more than 1991 Ford Tempo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Tempo. In wet, icy, snow, or gravel driving conditions, 2006 Mercury Mountaineer 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 Mercury Mountaineer (407 Nm @ 4750 RPM) has 232 more torque (in Nm) than 1991 Ford Tempo. (175 Nm @ 2200 RPM). This means 2006 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Tempo.
Compare all specifications:
| 1991 Ford Tempo | 2006 Mercury Mountaineer | |
| Make | Ford | Mercury |
| Model | Tempo | Mountaineer |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2305 cc | 4605 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 97 HP | 292 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Torque | 175 Nm | 407 Nm |
| Torque RPM | 2200 RPM | 4750 RPM |
| Engine Bore Size | 93.5 mm | 90.2 mm |
| Engine Stroke Size | 84 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1150 kg | 1925 kg |
| Vehicle Length | 4480 mm | 4920 mm |
| Vehicle Width | 1740 mm | 1870 mm |
| Vehicle Height | 1340 mm | 1860 mm |
| Wheelbase Size | 2540 mm | 2890 mm |
