1981 BMW 745 vs. 2005 Cadillac XLR
To start off, 2005 Cadillac XLR is newer by 24 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 4,572 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2005 Cadillac XLR (301 HP @ 6500 RPM) has 49 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac XLR weights approximately 58 kg more than 1981 BMW 745. 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, 2005 Cadillac XLR (420 Nm @ 4400 RPM) has 40 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745.
Compare all specifications:
| 1981 BMW 745 | 2005 Cadillac XLR | |
| Make | BMW | Cadillac |
| Model | 745 | XLR |
| Year Released | 1981 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 4572 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 301 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 380 Nm | 420 Nm |
| Torque RPM | 2200 RPM | 4400 RPM |
| Engine Bore Size | 92 mm | 93.1 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1596 kg | 1654 kg |
| Vehicle Length | 4870 mm | 4520 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1290 mm |
| Wheelbase Size | 2770 mm | 2690 mm |
| Fuel Tank Capacity | 100 L | 68 L |
