2007 BMW 523 vs. 1991 Mercedes-Benz 300
To start off, 2007 BMW 523 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 300. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 300 would be higher. At 3,198 cc (6 cylinders), 1991 Mercedes-Benz 300 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 300 (231 HP @ 5800 RPM) has 56 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 1991 Mercedes-Benz 300 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 300 weights approximately 410 kg more than 2007 BMW 523. 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, 1991 Mercedes-Benz 300 (310 Nm @ 4100 RPM) has 80 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 1991 Mercedes-Benz 300 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 1991 Mercedes-Benz 300 | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | 300 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3198 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 231 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 230 Nm | 310 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Bore Size | 82 mm | 89.9 mm |
| Engine Stroke Size | 78.8 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Acceleration 0-100mph | 8.5 seconds | 8.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1900 kg |
| Vehicle Length | 4850 mm | 5110 mm |
| Vehicle Width | 1470 mm | 1890 mm |
| Vehicle Height | 1850 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 3050 mm |
| Fuel Tank Capacity | 70 L | 100 L |
