2007 BMW Z4 vs. 2002 Buick Regal
To start off, 2007 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Buick Regal. In addition, the cost of maintenance, including insurance, on 2002 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2002 Buick Regal is equipped with a bigger engine. In terms of performance, 2002 Buick Regal (205 HP @ 5200 RPM) has 16 more horse power than 2007 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2002 Buick Regal should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Buick Regal weights approximately 300 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW Z4 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2002 Buick Regal, 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, 2002 Buick Regal (311 Nm @ 4000 RPM) has 66 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 2002 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2002 Buick Regal has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2002 Buick Regal | |
| Make | BMW | Buick |
| Model | Z4 | Regal |
| Year Released | 2007 | 2002 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 205 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 245 Nm | 311 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1560 kg |
| Vehicle Length | 4100 mm | 4990 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2780 mm |
| Fuel Tank Capacity | 55 L | 64 L |
