2005 Audi A8 vs. 1981 BMW 745
To start off, 2005 Audi A8 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 3,934 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (276 HP @ 3750 RPM) has 24 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 350 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.
Because 2005 Audi A8 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, 2005 Audi A8 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 270 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745. 2005 Audi A8 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 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 Audi A8 | 1981 BMW 745 | |
Make | Audi | BMW |
Model | A8 | 745 |
Year Released | 2005 | 1981 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 3934 cc | 3430 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 276 HP | 252 HP |
Engine RPM | 3750 RPM | 5200 RPM |
Torque | 650 Nm | 380 Nm |
Torque RPM | 1800 RPM | 2200 RPM |
Engine Bore Size | 81 mm | 92 mm |
Engine Stroke Size | 95.5 mm | 86 mm |
Engine Compression Ratio | 18.0:1 | 8.0:1 |
Top Speed | 250 km/hour | 220 km/hour |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1940 kg | 1590 kg |
Vehicle Length | 5060 mm | 4870 mm |
Vehicle Width | 1900 mm | 1810 mm |
Vehicle Height | 1450 mm | 1440 mm |
Wheelbase Size | 2950 mm | 2800 mm |
Fuel Tank Capacity | 90 L | 100 L |