1966 Aston Martin DB4 vs. 2009 Cadillac XLR
To start off, 2009 Cadillac XLR is newer by 43 year(s). Which means there will be less support and parts availability for 1966 Aston Martin DB4. In addition, the cost of maintenance, including insurance, on 1966 Aston Martin DB4 would be higher. At 4,369 cc (8 cylinders), 2009 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2009 Cadillac XLR (444 HP @ 6400 RPM) has 188 more horse power than 1966 Aston Martin DB4. (256 HP @ 5500 RPM) In normal driving conditions, 2009 Cadillac XLR should accelerate faster than 1966 Aston Martin DB4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac XLR weights approximately 371 kg more than 1966 Aston Martin DB4. 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, 2009 Cadillac XLR (561 Nm @ 3900 RPM) has 201 more torque (in Nm) than 1966 Aston Martin DB4. (360 Nm @ 5000 RPM). This means 2009 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1966 Aston Martin DB4.
Compare all specifications:
| 1966 Aston Martin DB4 | 2009 Cadillac XLR | |
| Make | Aston Martin | Cadillac |
| Model | DB4 | XLR |
| Year Released | 1966 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3670 cc | 4369 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 256 HP | 444 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 360 Nm | 561 Nm |
| Torque RPM | 5000 RPM | 3900 RPM |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1721 kg |
| Vehicle Length | 4630 mm | 4520 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Vehicle Height | 1330 mm | 1290 mm |
| Wheelbase Size | 2500 mm | 2690 mm |
| Fuel Tank Capacity | 86 L | 68 L |
