2007 Audi A4 vs. 1991 BMW 518
To start off, 2007 Audi A4 is newer by 16 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 1,779 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (161 HP @ 5700 RPM) has 47 more horse power than 1991 BMW 518. (114 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1991 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 230 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 1991 BMW 518 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 BMW 518. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Audi A4 (225 Nm @ 1950 RPM) has 60 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518.
Compare all specifications:
2007 Audi A4 | 1991 BMW 518 | |
Make | Audi | BMW |
Model | A4 | 518 |
Year Released | 2007 | 1991 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1779 cc | 1766 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 161 HP | 114 HP |
Engine RPM | 5700 RPM | 5500 RPM |
Torque | 225 Nm | 165 Nm |
Torque RPM | 1950 RPM | 4250 RPM |
Engine Bore Size | 81 mm | 84 mm |
Engine Stroke Size | 86.4 mm | 81 mm |
Engine Compression Ratio | 9.3:1 | 8.8:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1390 kg | 1160 kg |
Vehicle Length | 4550 mm | 4730 mm |
Vehicle Width | 1780 mm | 1760 mm |
Vehicle Height | 1430 mm | 1420 mm |
Wheelbase Size | 2650 mm | 2770 mm |