1991 BMW 325 vs. 1999 BMW 330
To start off, 1999 BMW 330 is newer by 8 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 2,977 cc (6 cylinders), 1999 BMW 330 is equipped with a bigger engine. In terms of performance, 1999 BMW 330 (228 HP @ 5900 RPM) has 115 more horse power than 1991 BMW 325. (113 HP @ 4800 RPM) In normal driving conditions, 1999 BMW 330 should accelerate faster than 1991 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 330 weights approximately 141 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, 1999 BMW 330 (300 Nm @ 3500 RPM) has 80 more torque (in Nm) than 1991 BMW 325. (220 Nm @ 1900 RPM). This means 1999 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 325.
Compare all specifications:
| 1991 BMW 325 | 1999 BMW 330 | |
| Make | BMW | BMW |
| Model | 325 | 330 |
| Year Released | 1991 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 2977 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 228 HP |
| Engine RPM | 4800 RPM | 5900 RPM |
| Torque | 220 Nm | 300 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 81 mm | 89.6 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1434 kg | 1575 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1710 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 88 L |
