1987 Ford Sierra vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 19 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 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (230 HP @ 4000 RPM) has 126 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 645 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.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Audi A4 (451 Nm @ 1400 RPM) has 291 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2006 Audi A4 has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2006 Audi A4 | |
| Make | Ford | Audi |
| Model | Sierra | A4 |
| Year Released | 1987 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 230 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 160 Nm | 451 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Engine Bore Size | 90.9 mm | 83 mm |
| Engine Stroke Size | 77 mm | 91.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1790 kg |
| Vehicle Length | 4430 mm | 4580 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2620 mm | 2660 mm |
