2004 Audi A4 vs. 1981 BMW 745
To start off, 2004 Audi A4 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, both vehicles can yield 252 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 40 kg more than 1981 BMW 745.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 745. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 50 more torque (in Nm) than 2004 Audi A4. (330 Nm @ 3250 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2004 Audi A4 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 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
2004 Audi A4 | 1981 BMW 745 | |
Make | Audi | BMW |
Model | A4 | 745 |
Year Released | 2004 | 1981 |
Body Type | Station Wagon | Sedan |
Engine Position | Front | Front |
Engine Size | 3122 cc | 3430 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 252 HP | 252 HP |
Engine RPM | 6500 RPM | 5200 RPM |
Torque | 330 Nm | 380 Nm |
Torque RPM | 3250 RPM | 2200 RPM |
Engine Bore Size | 84.5 mm | 92 mm |
Engine Stroke Size | 92.8 mm | 86 mm |
Engine Compression Ratio | 12.5:1 | 8.0:1 |
Top Speed | 247 km/hour | 220 km/hour |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1630 kg | 1590 kg |
Vehicle Length | 4590 mm | 4870 mm |
Vehicle Width | 1780 mm | 1810 mm |
Vehicle Height | 1430 mm | 1440 mm |
Wheelbase Size | 2430 mm | 2800 mm |
Fuel Tank Capacity | 63 L | 100 L |