1991 Audi 100 vs. 1984 Ford Sierra
To start off, 1991 Audi 100 is newer by 7 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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (171 HP @ 5500 RPM) has 57 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 385 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 1991 Audi 100 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, 1991 Audi 100 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, 1991 Audi 100 (251 Nm @ 3000 RPM) has 75 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 1984 Ford Sierra has automatic transmission and 1991 Audi 100 has manual transmission. 1991 Audi 100 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1984 Ford Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi 100 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | 100 | Sierra |
| Year Released | 1991 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 171 HP | 114 HP |
| Engine RPM | 5500 RPM | 5300 RPM |
| Torque | 251 Nm | 176 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 90 mm |
| Engine Stroke Size | 86.4 mm | 60.1 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1500 kg | 1115 kg |
| Vehicle Length | 4800 mm | 4420 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2690 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 60 L |
