2003 BMW 645 vs. 1991 Lamborghini LM
To start off, 2003 BMW 645 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Lamborghini LM. In addition, the cost of maintenance, including insurance, on 1991 Lamborghini LM would be higher. At 5,703 cc (12 cylinders), 1991 Lamborghini LM is equipped with a bigger engine. In terms of performance, 1991 Lamborghini LM (490 HP @ 7000 RPM) has 180 more horse power than 2003 BMW 645. (310 HP @ 6000 RPM) In normal driving conditions, 1991 Lamborghini LM should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 1991 Lamborghini LM weights approximately 1002 kg more than 2003 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Lamborghini LM is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 1991 Lamborghini LM 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, 1991 Lamborghini LM (580 Nm @ 5200 RPM) has 130 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 1991 Lamborghini LM will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645. 2003 BMW 645 has automatic transmission and 1991 Lamborghini LM has manual transmission. 1991 Lamborghini LM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 645 | 1991 Lamborghini LM | |
| Make | BMW | Lamborghini |
| Model | 645 | LM |
| Year Released | 2003 | 1991 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5703 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 310 HP | 490 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 450 Nm | 580 Nm |
| Torque RPM | 3600 RPM | 5200 RPM |
| Engine Bore Size | 92 mm | 87.1 mm |
| Engine Stroke Size | 82.7 mm | 80 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 2700 kg |
| Vehicle Length | 4830 mm | 4960 mm |
| Vehicle Width | 1860 mm | 2050 mm |
| Vehicle Height | 1380 mm | 1860 mm |
| Wheelbase Size | 2790 mm | 3010 mm |
