1991 BMW 320 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 14 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 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 66 more horse power than 1991 BMW 320. (149 HP @ 5900 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 1991 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 900 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 2005 BMW X5 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, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 330 more torque (in Nm) than 1991 BMW 320. (190 Nm @ 4200 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 320.
Compare all specifications:
| 1991 BMW 320 | 2005 BMW X5 | |
| Make | BMW | BMW |
| Model | 320 | X5 |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2926 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 215 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 190 Nm | 520 Nm |
| Torque RPM | 4200 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 66 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 214 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 8.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1270 kg | 2170 kg |
| Vehicle Length | 4450 mm | 4670 mm |
| Vehicle Width | 1710 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1720 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
| Fuel Tank Capacity | 65 L | 93 L |
