2005 BMW 645 vs. 1991 Subaru XT
To start off, 2005 BMW 645 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Subaru XT. In addition, the cost of maintenance, including insurance, on 1991 Subaru XT would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 204 more horse power than 1991 Subaru XT. (134 HP @ 5600 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1991 Subaru XT. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 555 kg more than 1991 Subaru XT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Subaru XT is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 645. In wet, icy, snow, or gravel driving conditions, 1991 Subaru XT 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 645 (439 Nm @ 3600 RPM) has 242 more torque (in Nm) than 1991 Subaru XT. (197 Nm @ 2800 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1991 Subaru XT.
Compare all specifications:
| 2005 BMW 645 | 1991 Subaru XT | |
| Make | BMW | Subaru |
| Model | 645 | XT |
| Year Released | 2005 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 1781 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 338 HP | 134 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 439 Nm | 197 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 83 mm | 67 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 1160 kg |
| Vehicle Length | 4830 mm | 4460 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2790 mm | 2470 mm |
| Fuel Tank Capacity | 70 L | 60 L |
