2009 Audi A3 vs. 1977 BMW 728
To start off, 2009 Audi A3 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (200 HP @ 5100 RPM) has 30 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 606 kg more than 2009 Audi A3.
Because 2009 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 728. In wet, icy, snow, or gravel driving conditions, 2009 Audi A3 will offer significantly more control. 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, 2009 Audi A3 (281 Nm @ 1800 RPM) has 46 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728. 2009 Audi A3 has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A3 | 1977 BMW 728 | |
| Make | Audi | BMW |
| Model | A3 | 728 |
| Year Released | 2009 | 1977 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 200 HP | 170 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 281 Nm | 235 Nm |
| Torque RPM | 1800 RPM | 3700 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 930 kg | 1536 kg |
| Vehicle Length | 4290 mm | 4870 mm |
| Vehicle Width | 1970 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2800 mm |
| Fuel Tank Capacity | 55 L | 85 L |
