1981 BMW 745 vs. 2005 Mazda 6
To start off, 2005 Mazda 6 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 92 more horse power than 2005 Mazda 6. (160 HP @ 4000 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 183 kg more than 2005 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 BMW 745 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2005 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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) has 170 more torque (in Nm) than 2005 Mazda 6. (210 Nm). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6.
Compare all specifications:
| 1981 BMW 745 | 2005 Mazda 6 | |
| Make | BMW | Mazda |
| Model | 745 | 6 |
| Year Released | 1981 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 2262 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 160 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 380 Nm | 210 Nm |
| Engine Bore Size | 92 mm | 87 mm |
| Engine Stroke Size | 86 mm | 94 mm |
| Engine Compression Ratio | 8.0:1 | 9.7:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1407 kg |
| Vehicle Length | 4870 mm | 4750 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2800 mm | 2680 mm |
| Fuel Tank Capacity | 100 L | 68 L |
