2005 BMW X5 vs. 1991 Mercedes-Benz 500
To start off, 2005 BMW X5 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 500. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 500 would be higher. At 4,971 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 500 (326 HP @ 5700 RPM) has 111 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 1991 Mercedes-Benz 500 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 158 kg more than 1991 Mercedes-Benz 500.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 500. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 40 more torque (in Nm) than 1991 Mercedes-Benz 500. (480 Nm @ 3900 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz 500.
Compare all specifications:
| 2005 BMW X5 | 1991 Mercedes-Benz 500 | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | 500 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4971 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 326 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 520 Nm | 480 Nm |
| Torque RPM | 2000 RPM | 3900 RPM |
| Engine Bore Size | 84 mm | 96.5 mm |
| Engine Stroke Size | 90 mm | 85 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Top Speed | 210 km/hour | 249 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 6.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2170 kg | 2012 kg |
| Vehicle Length | 4670 mm | 5220 mm |
| Vehicle Width | 1880 mm | 1890 mm |
| Vehicle Height | 1720 mm | 1500 mm |
| Wheelbase Size | 2830 mm | 3150 mm |
| Fuel Tank Capacity | 93 L | 70 L |
