1981 BMW 745 vs. 1968 Aston Martin DB6
To start off, 1981 BMW 745 is newer by 13 year(s). Which means there will be less support and parts availability for 1968 Aston Martin DB6. In addition, the cost of maintenance, including insurance, on 1968 Aston Martin DB6 would be higher. At 3,995 cc (6 cylinders), 1968 Aston Martin DB6 is equipped with a bigger engine. In terms of performance, 1968 Aston Martin DB6 (282 HP @ 5500 RPM) has 30 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 1968 Aston Martin DB6 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1968 Aston Martin DB6 weights approximately 35 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, 1968 Aston Martin DB6 (400 Nm @ 4500 RPM) has 20 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 1968 Aston Martin DB6 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745.
Compare all specifications:
| 1981 BMW 745 | 1968 Aston Martin DB6 | |
| Make | BMW | Aston Martin |
| Model | 745 | DB6 |
| Year Released | 1981 | 1968 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 3995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 282 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 380 Nm | 400 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 96 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 8.0:1 | 8.9:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1625 kg |
| Vehicle Length | 4870 mm | 4630 mm |
| Vehicle Width | 1810 mm | 1680 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2800 mm | 2620 mm |
| Fuel Tank Capacity | 100 L | 72 L |
