1990 BMW 518 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 BMW 518. In addition, the cost of maintenance, including insurance, on 1990 BMW 518 would be higher. At 3,824 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (351 HP @ 6600 RPM) has 238 more horse power than 1990 BMW 518. (113 HP @ 5500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1990 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 265 kg more than 1990 BMW 518. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW 518. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 239 more torque (in Nm) than 1990 BMW 518. (161 Nm @ 4250 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 518.
Compare all specifications:
| 1990 BMW 518 | 2009 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 518 | 911 |
| Year Released | 1990 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1766 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 113 HP | 351 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 161 Nm | 400 Nm |
| Torque RPM | 4250 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 81 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1425 kg |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1760 mm | 1310 mm |
| Vehicle Height | 1420 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2360 mm |
| Fuel Tank Capacity | 52 L | 67 L |
