2006 BMW 523 vs. 1991 Ford Sierra
To start off, 2006 BMW 523 is newer by 15 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 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2006 BMW 523 (175 HP) has 101 more horse power than 1991 Ford Sierra. (74 HP). In normal driving conditions, 2006 BMW 523 should accelerate faster than 1991 Ford Sierra.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 BMW 523 (230 Nm @ 3500 RPM) has 107 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2006 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2006 BMW 523 | 1991 Ford Sierra | |
| Make | BMW | Ford |
| Model | 523 | Sierra |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 74 HP |
| Torque | 230 Nm | 123 Nm |
| Torque RPM | 3500 RPM | 2900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4850 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1500 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
