1991 Audi 100 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 21 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,993 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 85 more horse power than 1991 Audi 100. (226 HP @ 5900 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 176 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi 100 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 640. In wet, icy, snow, or gravel driving conditions, 1991 Audi 100 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, 2012 BMW 640 (630 Nm @ 1500 RPM) has 280 more torque (in Nm) than 1991 Audi 100. (350 Nm @ 1950 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100. 2012 BMW 640 has automatic transmission and 1991 Audi 100 has manual transmission. 1991 Audi 100 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi 100 | 2012 BMW 640 | |
| Make | Audi | BMW |
| Model | 100 | 640 |
| Year Released | 1991 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2993 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 226 HP | 311 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 350 Nm | 630 Nm |
| Torque RPM | 1950 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Top Speed | 244 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 5.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1614 kg | 1790 kg |
| Vehicle Length | 4800 mm | 4894 mm |
| Vehicle Width | 1810 mm | 1894 mm |
| Vehicle Height | 1450 mm | 1369 mm |
| Wheelbase Size | 2700 mm | 2855 mm |
| Fuel Consumption Highway | 9.5 L/100km | 4.8 L/100km |
| Fuel Consumption City | 14.2 L/100km | 6.7 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
