1981 BMW 518 vs. 2006 Jeep Wrangler
To start off, 2006 Jeep Wrangler is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 518. In addition, the cost of maintenance, including insurance, on 1981 BMW 518 would be higher. At 3,966 cc (6 cylinders), 2006 Jeep Wrangler is equipped with a bigger engine. In terms of performance, 2006 Jeep Wrangler (175 HP @ 4600 RPM) has 85 more horse power than 1981 BMW 518. (90 HP @ 5500 RPM) In normal driving conditions, 2006 Jeep Wrangler should accelerate faster than 1981 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jeep Wrangler weights approximately 724 kg more than 1981 BMW 518. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Jeep Wrangler is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 518. In wet, icy, snow, or gravel driving conditions, 2006 Jeep Wrangler 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 Jeep Wrangler (297 Nm @ 3500 RPM) has 157 more torque (in Nm) than 1981 BMW 518. (140 Nm @ 4000 RPM). This means 2006 Jeep Wrangler will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 518.
Compare all specifications:
| 1981 BMW 518 | 2006 Jeep Wrangler | |
| Make | BMW | Jeep |
| Model | 518 | Wrangler |
| Year Released | 1981 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 3966 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 175 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Torque | 140 Nm | 297 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 98.4 mm |
| Engine Stroke Size | 71.1 mm | 86.7 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1140 kg | 1864 kg |
| Vehicle Length | 4630 mm | 3950 mm |
| Vehicle Width | 1710 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2630 mm | 2380 mm |
