2006 BMW Z4 vs. 1999 Kia Potentia
To start off, 2006 BMW Z4 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Kia Potentia. In addition, the cost of maintenance, including insurance, on 1999 Kia Potentia would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 51 more horse power than 1999 Kia Potentia. (138 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1999 Kia Potentia. With that said, vehicle weight also plays an important factor in acceleration. 1999 Kia Potentia weights approximately 135 kg more than 2006 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (245 Nm @ 3500 RPM) has 64 more torque (in Nm) than 1999 Kia Potentia. (181 Nm @ 4000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Kia Potentia. 1999 Kia Potentia has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Kia Potentia will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1999 Kia Potentia | |
| Make | BMW | Kia |
| Model | Z4 | Potentia |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 138 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 181 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 85.1 mm |
| Engine Stroke Size | 75 mm | 87.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1470 kg |
| Vehicle Length | 4100 mm | 4960 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2720 mm |
