1991 BMW 325 vs. 2001 BMW X5
To start off, 2001 BMW X5 is newer by 10 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), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (189 HP @ 4000 RPM) has 76 more horse power than 1991 BMW 325. (113 HP @ 4800 RPM) In normal driving conditions, 2001 BMW X5 should accelerate faster than 1991 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 736 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.
Because 2001 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 325. In wet, icy, snow, or gravel driving conditions, 2001 BMW X5 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, 2001 BMW X5 (410 Nm @ 2000 RPM) has 190 more torque (in Nm) than 1991 BMW 325. (220 Nm @ 1900 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 325. 2001 BMW X5 has automatic transmission and 1991 BMW 325 has manual transmission. 1991 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 325 | 2001 BMW X5 | |
| Make | BMW | BMW |
| Model | 325 | X5 |
| Year Released | 1991 | 2001 |
| Body Type | Sedan | SUV |
| 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 | 2 valves |
| Horse Power | 113 HP | 189 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 220 Nm | 410 Nm |
| Torque RPM | 1900 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 81 mm | 88 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1434 kg | 2170 kg |
| Vehicle Length | 4440 mm | 4670 mm |
| Vehicle Width | 1710 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1710 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 93 L |
