1987 Ford Sierra vs. 2008 Audi A4
To start off, 2008 Audi A4 is newer by 21 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 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (139 HP @ 4000 RPM) has 26 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2008 Audi A4 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 185 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, 2008 Audi A4 (320 Nm @ 1750 RPM) has 140 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2008 Audi A4 | |
| Make | Ford | Audi |
| Model | Sierra | A4 |
| Year Released | 1987 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 139 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 180 Nm | 320 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 96 mm | 81 mm |
| Engine Stroke Size | 79.5 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 1275 kg |
| Vehicle Length | 4400 mm | 4550 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2660 mm |
| Fuel Tank Capacity | 45 L | 70 L |
