2003 Alpina B3 vs. 1977 BMW 728
To start off, 2003 Alpina B3 is newer by 26 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 3,346 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 131 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 464 kg more than 1977 BMW 728. 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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 127 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 2003 Alpina B3 | 1977 BMW 728 | |
| Make | Alpina | BMW |
| Model | B3 | 728 |
| Year Released | 2003 | 1977 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 170 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 235 Nm |
| Torque RPM | 4800 RPM | 3700 RPM |
| Engine Bore Size | 87.1 mm | 86 mm |
| Engine Stroke Size | 93.9 mm | 80 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2000 kg | 1536 kg |
| Vehicle Length | 4480 mm | 4870 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 3000 mm | 2800 mm |
| Fuel Tank Capacity | 63 L | 85 L |
