2008 Audi A8 vs. 1984 Ford Sierra
To start off, 2008 Audi A8 is newer by 24 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 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 264 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 675 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 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (431 Nm @ 3500 RPM) has 291 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2008 Audi A8 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. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A8 | Sierra |
| Year Released | 2008 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2304 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 330 HP | 66 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 431 Nm | 140 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 94 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1235 kg |
| Vehicle Length | 5190 mm | 4510 mm |
| Vehicle Width | 1900 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 3080 mm | 2620 mm |
| Fuel Tank Capacity | 90 L | 60 L |
