2006 Cadillac XLR vs. 1974 Porsche 911
To start off, 2006 Cadillac XLR is newer by 32 year(s). Which means there will be less support and parts availability for 1974 Porsche 911. In addition, the cost of maintenance, including insurance, on 1974 Porsche 911 would be higher. At 4,572 cc (8 cylinders), 2006 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2006 Cadillac XLR (320 HP @ 6400 RPM) has 145 more horse power than 1974 Porsche 911. (175 HP @ 5800 RPM). In normal driving conditions, 2006 Cadillac XLR should accelerate faster than 1974 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac XLR weights approximately 576 kg more than 1974 Porsche 911. 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, 2006 Cadillac XLR (420 Nm @ 4400 RPM) has 184 more torque (in Nm) than 1974 Porsche 911. (236 Nm @ 4000 RPM). This means 2006 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1974 Porsche 911.
Compare all specifications:
| 2006 Cadillac XLR | 1974 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | XLR | 911 |
| Year Released | 2006 | 1974 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4572 cc | 2686 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 175 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 420 Nm | 236 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 90 mm |
| Engine Stroke Size | 84 mm | 70.4 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Top Speed | 250 km/hour | 229 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 7 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1656 kg | 1080 kg |
| Vehicle Length | 4520 mm | 4300 mm |
| Vehicle Width | 1840 mm | 1620 mm |
| Vehicle Height | 1290 mm | 1330 mm |
| Wheelbase Size | 2690 mm | 2270 mm |
