1991 Ford Sierra vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 5,200 cc (10 cylinders), 2011 Audi R8 is equipped with a bigger engine. In terms of performance, 2011 Audi R8 (525 HP @ 8000 RPM) has 451 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2011 Audi R8 should accelerate faster than 1991 Ford Sierra.
Because 2011 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2011 Audi R8 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, 2011 Audi R8 (530 Nm @ 6500 RPM) has 407 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2011 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra. 2011 Audi R8 has automatic transmission and 1991 Ford Sierra has manual transmission. 1991 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Audi R8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Ford Sierra | 2011 Audi R8 | |
| Make | Ford | Audi |
| Model | Sierra | R8 |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Middle |
| Engine Size | 1597 cc | 5200 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 525 HP |
| Engine RPM | 4900 RPM | 8000 RPM |
| Torque | 123 Nm | 530 Nm |
| Torque RPM | 2900 RPM | 6500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automated manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4430 mm | 4435 mm |
| Vehicle Width | 1700 mm | 1905 mm |
| Vehicle Height | 1370 mm | 1245 mm |
| Wheelbase Size | 2620 mm | 2649 mm |
