2009 BMW 325 vs. 1991 BMW 320
To start off, 2009 BMW 325 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 BMW 320. In addition, the cost of maintenance, including insurance, on 1991 BMW 320 would be higher. At 2,494 cc (6 cylinders), 2009 BMW 325 is equipped with a bigger engine. In terms of performance, 2009 BMW 325 (215 HP @ 6100 RPM) has 66 more horse power than 1991 BMW 320. (149 HP @ 5900 RPM). In normal driving conditions, 2009 BMW 325 should accelerate faster than 1991 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 325 weights approximately 345 kg more than 1991 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 320. In wet, icy, snow, or gravel driving conditions, 2009 BMW 325 will offer significantly more control. 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, 2009 BMW 325 (270 Nm @ 2400 RPM) has 80 more torque (in Nm) than 1991 BMW 320. (190 Nm @ 4200 RPM). This means 2009 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 320.
Compare all specifications:
| 2009 BMW 325 | 1991 BMW 320 | |
| Make | BMW | BMW |
| Model | 325 | 320 |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 149 HP |
| Engine RPM | 6100 RPM | 5900 RPM |
| Torque | 270 Nm | 190 Nm |
| Torque RPM | 2400 RPM | 4200 RPM |
| Engine Bore Size | 85 mm | 80 mm |
| Engine Stroke Size | 88 mm | 66 mm |
| Engine Compression Ratio | 12.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 214 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 9.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1270 kg |
| Vehicle Length | 4530 mm | 4450 mm |
| Vehicle Width | 1820 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 65 L |
