1985 Ford Sierra vs. 2013 Audi A8
To start off, 2013 Audi A8 is newer by 28 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 3,991 cc (8 cylinders), 2013 Audi A8 is equipped with a bigger engine. In terms of performance, 2013 Audi A8 (367 HP @ 6800 RPM) has 219 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 2013 Audi A8 should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A8 weights approximately 819 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2013 Audi A8 (445 Nm) has 225 more torque (in Nm) than 1985 Ford Sierra. (220 Nm). This means 2013 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 2013 Audi A8 | |
| Make | Ford | Audi |
| Model | Sierra | A8 |
| Year Released | 1985 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 3991 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | W |
| Horse Power | 148 HP | 367 HP |
| Engine RPM | 5700 RPM | 6800 RPM |
| Torque | 220 Nm | 445 Nm |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 68.5 mm | 89.5 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 1205 kg | 2024 kg |
| Vehicle Length | 4400 mm | 5137 mm |
| Vehicle Width | 1680 mm | 2111 mm |
| Vehicle Height | 1370 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2992 mm |
