1987 Ford Sierra vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 20 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 2,496 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (204 HP @ 6250 RPM) has 26 more horse power than 2007 Audi A6. (178 HP @ 4000 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 640 kg more than 1987 Ford Sierra.
Because 2007 Audi A6 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, 2007 Audi A6 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, 2007 Audi A6 (370 Nm @ 1500 RPM) has 93 more torque (in Nm) than 1987 Ford Sierra. (277 Nm @ 4500 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2007 Audi A6 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. 2007 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2007 Audi A6 | |
| Make | Ford | Audi |
| Model | Sierra | A6 |
| Year Released | 1987 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 204 HP | 178 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 277 Nm | 370 Nm |
| Torque RPM | 4500 RPM | 1500 RPM |
| Engine Bore Size | 90.8 mm | 78.4 mm |
| Engine Stroke Size | 77 mm | 86.4 mm |
| Engine Compression Ratio | 8.0:1 | 19.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1890 kg |
| Vehicle Length | 4470 mm | 4820 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1560 mm |
| Wheelbase Size | 2500 mm | 2760 mm |
