2008 BMW 523 vs. 1991 Ford Mustang
To start off, 2008 BMW 523 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1991 Ford Mustang would be higher. At 2,497 cc (6 cylinders), 2008 BMW 523 is equipped with a bigger engine. In terms of performance, 2008 BMW 523 (175 HP @ 5800 RPM) has 69 more horse power than 1991 Ford Mustang. (106 HP @ 4600 RPM). In normal driving conditions, 2008 BMW 523 should accelerate faster than 1991 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 523 weights approximately 230 kg more than 1991 Ford Mustang. 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, 2008 BMW 523 (230 Nm @ 3500 RPM) has 47 more torque (in Nm) than 1991 Ford Mustang. (183 Nm @ 2600 RPM). This means 2008 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Mustang.
Compare all specifications:
| 2008 BMW 523 | 1991 Ford Mustang | |
| Make | BMW | Ford |
| Model | 523 | Mustang |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2301 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 106 HP |
| Engine RPM | 5800 RPM | 4600 RPM |
| Torque | 230 Nm | 183 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Engine Bore Size | 78.8 mm | 96 mm |
| Engine Stroke Size | 82 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1260 kg |
| Vehicle Length | 4850 mm | 4560 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2890 mm | 2560 mm |
| Fuel Tank Capacity | 70 L | 45 L |
