2008 Audi A4 vs. 1991 Ford Sierra
To start off, 2008 Audi A4 is newer by 17 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 3,196 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (265 HP @ 3000 RPM) has 190 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 1991 Ford Sierra.
Let's talk about torque, 2008 Audi A4 (447 Nm @ 3000 RPM) has 295 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2008 Audi A4 | 1991 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 1751 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 265 HP | 75 HP |
| Engine RPM | 3000 RPM | 4500 RPM |
| Torque | 447 Nm | 152 Nm |
| Torque RPM | 3000 RPM | 2200 RPM |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Tank Capacity | 55 L | 60 L |
