2006 BMW Z4 vs. 1999 Jeep Wrangler
To start off, 2006 BMW Z4 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Jeep Wrangler. In addition, the cost of maintenance, including insurance, on 1999 Jeep Wrangler would be higher. At 3,960 cc (6 cylinders), 1999 Jeep Wrangler is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (229 HP @ 5900 RPM) has 45 more horse power than 1999 Jeep Wrangler. (184 HP @ 4750 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1999 Jeep Wrangler. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 172 kg more than 1999 Jeep Wrangler. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Jeep Wrangler is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1999 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 BMW Z4 (300 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1999 Jeep Wrangler. (290 Nm @ 2950 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Jeep Wrangler.
Compare all specifications:
| 2006 BMW Z4 | 1999 Jeep Wrangler | |
| Make | BMW | Jeep |
| Model | Z4 | Wrangler |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3960 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 229 HP | 184 HP |
| Engine RPM | 5900 RPM | 4750 RPM |
| Torque | 300 Nm | 290 Nm |
| Torque RPM | 3500 RPM | 2950 RPM |
| Engine Bore Size | 84 mm | 98.6 mm |
| Engine Stroke Size | 90 mm | 86.6 mm |
| Engine Compression Ratio | 10.2:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1458 kg |
| Vehicle Length | 4570 mm | 3950 mm |
| Vehicle Width | 1790 mm | 1740 mm |
| Vehicle Height | 1680 mm | 1790 mm |
| Wheelbase Size | 2500 mm | 2380 mm |
| Fuel Tank Capacity | 55 L | 72 L |
