1978 BMW 725 vs. 1978 Aston Martin V8 Volante
To start off, both 1978 BMW 725 and 1978 Aston Martin V8 Volante were released in the same year (1978). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,340 cc (8 cylinders), 1978 Aston Martin V8 Volante is equipped with a bigger engine. In terms of performance, 1978 Aston Martin V8 Volante (317 HP @ 5000 RPM) has 169 more horse power than 1978 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 1978 Aston Martin V8 Volante should accelerate faster than 1978 BMW 725.
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, 1978 Aston Martin V8 Volante (434 Nm @ 4000 RPM) has 219 more torque (in Nm) than 1978 BMW 725. (215 Nm @ 4000 RPM). This means 1978 Aston Martin V8 Volante will have an easier job in driving up hills or pulling heavy equipment than 1978 BMW 725.
Compare all specifications:
| 1978 BMW 725 | 1978 Aston Martin V8 Volante | |
| Make | BMW | Aston Martin |
| Model | 725 | V8 Volante |
| Year Released | 1978 | 1978 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 5340 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 148 HP | 317 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 215 Nm | 434 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 86.1 mm | 100 mm |
| Engine Stroke Size | 71.6 mm | 85 mm |
| Engine Compression Ratio | 9.6:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 4670 mm |
| Vehicle Width | 1810 mm | 1890 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
