1981 BMW 745 vs. 2004 Mazda 6
To start off, 2004 Mazda 6 is newer by 23 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 108 more horse power than 2004 Mazda 6. (144 HP @ 6000 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 2004 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 180 kg more than 2004 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, 2004 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 @ 2200 RPM) has 199 more torque (in Nm) than 2004 Mazda 6. (181 Nm @ 4500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 6. 2004 Mazda 6 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. 2004 Mazda 6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 745 | 2004 Mazda 6 | |
| Make | BMW | Mazda |
| Model | 745 | 6 |
| Year Released | 1981 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 144 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 181 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 83.1 mm |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Top Speed | 220 km/hour | 202 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1410 kg |
| Vehicle Length | 4870 mm | 4710 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 2800 mm | 2610 mm |
| Fuel Tank Capacity | 100 L | 64 L |
