1981 BMW 745 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 25 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 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 87 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 315 kg more than 2006 Audi S4.
Because 2006 Audi S4 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, 2006 Audi S4 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, 2006 Audi S4 (411 Nm @ 3500 RPM) has 31 more torque (in Nm) than 1981 BMW 745. (380 Nm @ 2200 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 745. 2006 Audi S4 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. 2006 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
1981 BMW 745 | 2006 Audi S4 | |
Make | BMW | Audi |
Model | 745 | S4 |
Year Released | 1981 | 2006 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 3430 cc | 4163 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 252 HP | 339 HP |
Engine RPM | 5200 RPM | 7000 RPM |
Torque | 380 Nm | 411 Nm |
Torque RPM | 2200 RPM | 3500 RPM |
Engine Bore Size | 92 mm | 84.5 mm |
Engine Stroke Size | 86 mm | 92.8 mm |
Top Speed | 220 km/hour | 250 km/hour |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1590 kg | 1275 kg |
Vehicle Length | 4870 mm | 4580 mm |
Vehicle Width | 1810 mm | 1790 mm |
Vehicle Height | 1440 mm | 1450 mm |
Wheelbase Size | 2800 mm | 2660 mm |
Fuel Tank Capacity | 100 L | 63 L |