1981 BMW 725 vs. 2003 Mercedes-Benz Viano
To start off, 2003 Mercedes-Benz Viano is newer by 22 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 7 more horse power than 2003 Mercedes-Benz Viano. (141 HP @ 3800 RPM). In normal driving conditions, 1981 BMW 725 should accelerate faster than 2003 Mercedes-Benz Viano.
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, 2003 Mercedes-Benz Viano (344 Nm @ 1800 RPM) has 129 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2003 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 2003 Mercedes-Benz Viano | |
Make | BMW | Mercedes-Benz |
Model | 725 | Viano |
Year Released | 1981 | 2003 |
Body Type | Sedan | Minivan |
Engine Position | Front | Front |
Engine Size | 2493 cc | 2148 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 148 HP | 141 HP |
Engine RPM | 5500 RPM | 3800 RPM |
Torque | 215 Nm | 344 Nm |
Torque RPM | 4000 RPM | 1800 RPM |
Engine Bore Size | 86 mm | 88 mm |
Engine Stroke Size | 71.6 mm | 88.3 mm |
Engine Compression Ratio | 9.6:1 | 18.0:1 |
Fuel Type | Gasoline | Diesel |
Drive Type | Rear | Rear |
Number of Doors | 4 doors | 5 doors |
Vehicle Length | 4870 mm | 4750 mm |
Vehicle Width | 1810 mm | 1910 mm |
Vehicle Height | 1440 mm | 1880 mm |
Wheelbase Size | 2810 mm | 3210 mm |