2005 Alpina B3 vs. 1991 BMW 325
To start off, 2005 Alpina B3 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 BMW 325. In addition, the cost of maintenance, including insurance, on 1991 BMW 325 would be higher. At 3,348 cc (6 cylinders), 2005 Alpina B3 is equipped with a bigger engine. In terms of performance, 2005 Alpina B3 (301 HP @ 6300 RPM) has 188 more horse power than 1991 BMW 325. (113 HP @ 4800 RPM). In normal driving conditions, 2005 Alpina B3 should accelerate faster than 1991 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina B3 weights approximately 211 kg more than 1991 BMW 325. 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, 2005 Alpina B3 (362 Nm @ 4800 RPM) has 142 more torque (in Nm) than 1991 BMW 325. (220 Nm @ 1900 RPM). This means 2005 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 325.
Compare all specifications:
| 2005 Alpina B3 | 1991 BMW 325 | |
| Make | Alpina | BMW |
| Model | B3 | 325 |
| Year Released | 2005 | 1991 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3348 cc | 2443 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 301 HP | 113 HP |
| Engine RPM | 6300 RPM | 4800 RPM |
| Torque | 362 Nm | 220 Nm |
| Torque RPM | 4800 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1434 kg |
| Vehicle Length | 4490 mm | 4440 mm |
| Vehicle Width | 1750 mm | 1710 mm |
| Vehicle Height | 1360 mm | 1400 mm |
| Wheelbase Size | 2730 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 70 L |
