1999 Audi A4 vs. 1987 Ford Sierra
To start off, 1999 Audi A4 is newer by 12 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,671 cc (6 cylinders), 1999 Audi A4 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (262 HP @ 5800 RPM) has 149 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 310 kg more than 1987 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, 1999 Audi A4 (400 Nm @ 3600 RPM) has 220 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1999 Audi A4 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 1999 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 262 HP | 113 HP |
| Engine RPM | 5800 RPM | 5300 RPM |
| Torque | 400 Nm | 180 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1400 kg | 1090 kg |
| Vehicle Length | 4480 mm | 4400 mm |
| Vehicle Width | 1740 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2620 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 45 L |
