1981 BMW 745 vs. 2005 Mercedes-Benz C
To start off, 2005 Mercedes-Benz C is newer by 24 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 111 more horse power than 2005 Mercedes-Benz C. (141 HP @ 4200 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 20 kg more than 2005 Mercedes-Benz C. 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 65 more torque (in Nm) than 2005 Mercedes-Benz C. (315 Nm @ 1800 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 1981 BMW 745 | 2005 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 745 | C |
| Year Released | 1981 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 141 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 380 Nm | 315 Nm |
| Torque RPM | 2200 RPM | 1800 RPM |
| Engine Bore Size | 92 mm | 88 mm |
| Engine Stroke Size | 86 mm | 88.3 mm |
| Engine Compression Ratio | 8.0:1 | 18.0:1 |
| Top Speed | 220 km/hour | 214 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1570 kg |
| Vehicle Length | 4870 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2920 mm |
| Fuel Tank Capacity | 100 L | 62 L |
