2009 Audi A6 vs. 1984 Ford Sierra
To start off, 2009 Audi A6 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,393 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (175 HP @ 6000 RPM) has 61 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 400 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 A6 (231 Nm @ 3200 RPM) has 55 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2009 Audi A6 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A6 | Sierra |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 175 HP | 114 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 231 Nm | 176 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 77.4 mm | 60.1 mm |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1515 kg | 1115 kg |
| Vehicle Length | 4920 mm | 4420 mm |
| Vehicle Width | 2020 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
