2004 Buick Regal vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (244 HP @ 5000 RPM) has 43 more horse power than 2004 Buick Regal. (201 HP @ 5200 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 60 kg more than 2011 BMW Z4.
Because 2011 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 2011 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2011 BMW Z4 (350 Nm) has 45 more torque (in Nm) than 2004 Buick Regal. (305 Nm). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2011 BMW Z4 | |
| Make | Buick | BMW |
| Model | Regal | Z4 |
| Year Released | 2004 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 201 HP | 244 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 305 Nm | 350 Nm |
| Engine Bore Size | 97 mm | 90.1 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1490 kg |
| Vehicle Length | 4990 mm | 4239 mm |
| Vehicle Width | 1850 mm | 1791 mm |
| Vehicle Height | 1440 mm | 1290 mm |
| Wheelbase Size | 2780 mm | 2497 mm |
| Fuel Consumption Highway | 7.8 L/100km | 5.5 L/100km |
| Fuel Consumption City | 11.8 L/100km | 9.1 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 64 L | 55 L |
