2007 Alpina D3 vs. 1981 Mercury Cougar
To start off, 2007 Alpina D3 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1981 Mercury Cougar would be higher. At 3,797 cc (6 cylinders), 1981 Mercury Cougar is equipped with a bigger engine. In terms of performance, 2007 Alpina D3 (301 HP @ 6300 RPM) has 187 more horse power than 1981 Mercury Cougar. (114 HP @ 4000 RPM). In normal driving conditions, 2007 Alpina D3 should accelerate faster than 1981 Mercury Cougar. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina D3 weights approximately 169 kg more than 1981 Mercury Cougar. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2007 Alpina D3 (362 Nm @ 4800 RPM) has 125 more torque (in Nm) than 1981 Mercury Cougar. (237 Nm @ 2600 RPM). This means 2007 Alpina D3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercury Cougar.
Compare all specifications:
| 2007 Alpina D3 | 1981 Mercury Cougar | |
| Make | Alpina | Mercury |
| Model | D3 | Cougar |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 3797 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 114 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 237 Nm |
| Torque RPM | 4800 RPM | 2600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1356 kg |
| Vehicle Length | 4480 mm | 4960 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2690 mm |
