1991 BMW 518 vs. 2013 Audi A6
To start off, 2013 Audi A6 is newer by 22 year(s). Which means there will be less support and parts availability for 1991 BMW 518. In addition, the cost of maintenance, including insurance, on 1991 BMW 518 would be higher. At 1,984 cc (4 cylinders), 2013 Audi A6 is equipped with a bigger engine. In terms of performance, 2013 Audi A6 (208 HP) has 94 more horse power than 1991 BMW 518. (114 HP) In normal driving conditions, 2013 Audi A6 should accelerate faster than 1991 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A6 weights approximately 514 kg more than 1991 BMW 518. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Audi A6 is all wheel drive (AWD), it will have significant more traction and grip than 1991 BMW 518. In wet, icy, snow, or gravel driving conditions, 2013 Audi A6 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, 2013 Audi A6 (350 Nm @ 4200 RPM) has 185 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 2013 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518.
Compare all specifications:
| 1991 BMW 518 | 2013 Audi A6 | |
| Make | BMW | Audi |
| Model | 518 | A6 |
| Year Released | 1991 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | W |
| Horse Power | 114 HP | 208 HP |
| Torque | 165 Nm | 350 Nm |
| Torque RPM | 4250 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 81 mm | 92.8 mm |
| Engine Compression Ratio | 8.8:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1674 kg |
| Vehicle Length | 4730 mm | 4925 mm |
| Vehicle Width | 1760 mm | 2086 mm |
| Vehicle Height | 1420 mm | 1468 mm |
| Wheelbase Size | 2770 mm | 2912 mm |
