2005 BMW 325 vs. 1991 Mercedes-Benz 400
To start off, 2005 BMW 325 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 4,196 cc (8 cylinders), 1991 Mercedes-Benz 400 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 400 (287 HP @ 5700 RPM) has 103 more horse power than 2005 BMW 325. (184 HP @ 7400 RPM) In normal driving conditions, 1991 Mercedes-Benz 400 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 400 weights approximately 540 kg more than 2005 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mercedes-Benz 400 (410 Nm) has 173 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 1991 Mercedes-Benz 400 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 1991 Mercedes-Benz 400 | |
| Make | BMW | Mercedes-Benz |
| Model | 325 | 400 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 184 HP | 287 HP |
| Engine RPM | 7400 RPM | 5700 RPM |
| Torque | 237 Nm | 410 Nm |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 78.9 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1460 kg | 2000 kg |
| Vehicle Length | 4480 mm | 5110 mm |
| Vehicle Width | 1750 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 3050 mm |
