2007 Audi A4 vs. 1984 Ford Sierra
To start off, 2007 Audi A4 is newer by 23 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 1,781 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 86 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 394 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, 2007 Audi A4, 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, 2007 Audi A4 (225 Nm @ 1750 RPM) has 106 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2007 Audi A4 has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2007 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1608 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 75 HP |
| Engine RPM | 5700 RPM | 5300 RPM |
| Torque | 225 Nm | 119 Nm |
| Torque RPM | 1750 RPM | 2900 RPM |
| Engine Bore Size | 81 mm | 87.8 mm |
| Engine Stroke Size | 86.4 mm | 66 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1434 kg | 1040 kg |
| Vehicle Length | 4590 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
