2007 Alpina D3 vs. 1981 BMW 628
To start off, 2007 Alpina D3 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 3,347 cc (6 cylinders), 2007 Alpina D3 is equipped with a bigger engine. In terms of performance, 2007 Alpina D3 (301 HP @ 6300 RPM) has 120 more horse power than 1981 BMW 628. (181 HP @ 6000 RPM). In normal driving conditions, 2007 Alpina D3 should accelerate faster than 1981 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina D3 weights approximately 55 kg more than 1981 BMW 628. 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 122 more torque (in Nm) than 1981 BMW 628. (240 Nm @ 4000 RPM). This means 2007 Alpina D3 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 628.
Compare all specifications:
| 2007 Alpina D3 | 1981 BMW 628 | |
| Make | Alpina | BMW |
| Model | D3 | 628 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3347 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 301 HP | 181 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 240 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 86 mm |
| Engine Stroke Size | 93.9 mm | 80 mm |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1470 kg |
| Vehicle Length | 4480 mm | 4760 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2640 mm |
| Fuel Tank Capacity | 63 L | 70 L |
