2007 Audi A8 vs. 1991 Ford Sierra
To start off, 2007 Audi A8 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 5,202 cc (10 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 7000 RPM) has 369 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 795 kg more than 1991 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 A8 (540 Nm @ 3500 RPM) has 388 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
2007 Audi A8 | 1991 Ford Sierra | |
Make | Audi | Ford |
Model | A8 | Sierra |
Year Released | 2007 | 1991 |
Engine Position | Front | Front |
Engine Size | 5202 cc | 1751 cc |
Engine Cylinders | 10 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 444 HP | 75 HP |
Engine RPM | 7000 RPM | 4500 RPM |
Torque | 540 Nm | 152 Nm |
Torque RPM | 3500 RPM | 2200 RPM |
Engine Bore Size | 84.5 mm | 82.5 mm |
Engine Stroke Size | 92.8 mm | 82 mm |
Engine Compression Ratio | 12.5:1 | 21.5:1 |
Fuel Type | Gasoline - Premium | Diesel |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1940 kg | 1145 kg |
Vehicle Length | 5070 mm | 4430 mm |
Vehicle Width | 1900 mm | 1700 mm |
Vehicle Height | 1430 mm | 1370 mm |
Wheelbase Size | 2950 mm | 2620 mm |
Fuel Tank Capacity | 90 L | 60 L |