1991 BMW 525 vs. 2006 Ford Mustang
To start off, 2006 Ford Mustang is newer by 15 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 4,015 cc (6 cylinders), 2006 Ford Mustang is equipped with a bigger engine. In terms of performance, 2006 Ford Mustang (210 HP @ 5300 RPM) has 67 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM) In normal driving conditions, 2006 Ford Mustang should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2006 Ford Mustang weights approximately 155 kg more than 1991 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Ford Mustang (325 Nm @ 3500 RPM) has 65 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2006 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525.
Compare all specifications:
| 1991 BMW 525 | 2006 Ford Mustang | |
| Make | BMW | Ford |
| Model | 525 | Mustang |
| Year Released | 1991 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4015 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 210 HP |
| Engine RPM | 4800 RPM | 5300 RPM |
| Torque | 260 Nm | 325 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 100.5 mm |
| Engine Stroke Size | 83 mm | 84.4 mm |
| Engine Compression Ratio | 22.0:1 | 8.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1715 kg |
| Vehicle Length | 4730 mm | 4770 mm |
| Vehicle Width | 1760 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Tank Capacity | 80 L | 61 L |
