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 3,498 cc (6 cylinders), 2005 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz C (256 HP @ 6000 RPM) has 4 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2005 Mercedes-Benz C should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz C weights approximately 10 kg more than 1981 BMW 745. 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 34 more torque (in Nm) than 2005 Mercedes-Benz C. (346 Nm @ 2500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C. 2005 Mercedes-Benz C has automatic transmission and 1981 BMW 745 has manual transmission. 1981 BMW 745 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz C will be easier to drive especially in heavy traffic.
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 | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 256 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 346 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 92.9 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 8.0:1 | 10.7:1 |
| Top Speed | 220 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1600 kg |
| Vehicle Length | 4870 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2890 mm |
| Fuel Tank Capacity | 100 L | 62 L |
