1989 Ford Sierra vs. 2009 Audi A5
To start off, 2009 Audi A5 is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 2,965 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (237 HP @ 4000 RPM) has 163 more horse power than 1989 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2009 Audi A5 should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 595 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 1989 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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, 2009 Audi A5 (500 Nm @ 1500 RPM) has 377 more torque (in Nm) than 1989 Ford Sierra. (123 Nm @ 2900 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 2009 Audi A5 has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Ford Sierra | 2009 Audi A5 | |
| Make | Ford | Audi |
| Model | Sierra | A5 |
| Year Released | 1989 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2965 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 237 HP |
| Engine RPM | 4900 RPM | 4000 RPM |
| Torque | 123 Nm | 500 Nm |
| Torque RPM | 2900 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1015 kg | 1610 kg |
| Vehicle Length | 4430 mm | 4630 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1380 mm |
| Wheelbase Size | 2620 mm | 2760 mm |
