2004 BMW 325 vs. 1981 Porsche 911
To start off, 2004 BMW 325 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1981 Porsche 911 is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 48 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 335 kg more than 1981 Porsche 911.
Let's talk about torque, 1981 Porsche 911 (284 Nm) has 47 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 1981 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2004 BMW 325 | 1981 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 325 | 911 |
| Year Released | 2004 | 1981 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2490 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 184 HP | 232 HP |
| Engine RPM | 7250 RPM | 5900 RPM |
| Torque | 237 Nm | 284 Nm |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 75 mm | 74.4 mm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1260 kg |
| Vehicle Length | 4480 mm | 4300 mm |
| Vehicle Width | 1750 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2730 mm | 2270 mm |
| Fuel Tank Capacity | 63 L | 80 L |
