2005 Audi S4 vs. 1981 Aston Martin V8 Volante
To start off, 2005 Audi S4 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Aston Martin V8 Volante. In addition, the cost of maintenance, including insurance, on 1981 Aston Martin V8 Volante would be higher. At 5,341 cc (8 cylinders), 1981 Aston Martin V8 Volante is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 23 more horse power than 1981 Aston Martin V8 Volante. (317 HP @ 5000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1981 Aston Martin V8 Volante. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 26 kg more than 1981 Aston Martin V8 Volante. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1981 Aston Martin V8 Volante (435 Nm) has 25 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1981 Aston Martin V8 Volante will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 1981 Aston Martin V8 Volante | |
| Make | Audi | Aston Martin |
| Model | S4 | V8 Volante |
| Year Released | 2005 | 1981 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5341 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 317 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 410 Nm | 435 Nm |
| Engine Bore Size | 85 mm | 100 mm |
| Engine Stroke Size | 93 mm | 85 mm |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1814 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 97 L |
