1991 BMW 518 vs. 2005 Mercedes-Benz Viano
To start off, 2005 Mercedes-Benz Viano is newer by 14 year(s). Which means there will be less support and parts availability for 1991 BMW 518. In addition, the cost of maintenance, including insurance, on 1991 BMW 518 would be higher. At 2,148 cc (4 cylinders), 2005 Mercedes-Benz Viano is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz Viano (148 HP @ 3800 RPM) has 34 more horse power than 1991 BMW 518. (114 HP @ 5500 RPM) In normal driving conditions, 2005 Mercedes-Benz Viano should accelerate faster than 1991 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz Viano weights approximately 810 kg more than 1991 BMW 518. 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, 2005 Mercedes-Benz Viano (330 Nm @ 1800 RPM) has 165 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 2005 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518.
Compare all specifications:
| 1991 BMW 518 | 2005 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | 518 | Viano |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 2148 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 148 HP |
| Engine RPM | 5500 RPM | 3800 RPM |
| Torque | 165 Nm | 330 Nm |
| Torque RPM | 4250 RPM | 1800 RPM |
| Engine Compression Ratio | 8.8:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1970 kg |
| Vehicle Length | 4730 mm | 5000 mm |
| Vehicle Width | 1760 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 2770 mm | 3210 mm |
