2007 Audi S8 vs. 1985 Ford Sierra
To start off, 2007 Audi S8 is newer by 22 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 296 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 735 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, 2007 Audi S8 (540 Nm @ 3400 RPM) has 320 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 2007 Audi S8 | 1985 Ford Sierra | |
| Make | Audi | Ford |
| Model | S8 | Sierra |
| Year Released | 2007 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2790 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 148 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 540 Nm | 220 Nm |
| Torque RPM | 3400 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 68.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1940 kg | 1205 kg |
| Vehicle Length | 5070 mm | 4400 mm |
| Vehicle Width | 1900 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2950 mm | 2620 mm |
