1999 Oldsmobile Aurora vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Oldsmobile Aurora. In addition, the cost of maintenance, including insurance, on 1999 Oldsmobile Aurora would be higher. At 3,995 cc (8 cylinders), 1999 Oldsmobile Aurora is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (261 HP @ 6600 RPM) has 10 more horse power than 1999 Oldsmobile Aurora. (251 HP @ 5600 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1999 Oldsmobile Aurora. With that said, vehicle weight also plays an important factor in acceleration. 1999 Oldsmobile Aurora weights approximately 322 kg more than 2007 BMW Z4.
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, 1999 Oldsmobile Aurora, 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, 1999 Oldsmobile Aurora (353 Nm @ 4000 RPM) has 38 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 1999 Oldsmobile Aurora will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 1999 Oldsmobile Aurora | 2007 BMW Z4 | |
| Make | Oldsmobile | BMW |
| Model | Aurora | Z4 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3995 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 251 HP | 261 HP |
| Engine RPM | 5600 RPM | 6600 RPM |
| Torque | 353 Nm | 315 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 87 mm | 85 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Engine Compression Ratio | 10.3:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1398 kg |
| Vehicle Length | 5220 mm | 4230 mm |
| Vehicle Width | 1900 mm | 1790 mm |
| Vehicle Height | 1410 mm | 1270 mm |
| Wheelbase Size | 2900 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 55 L |
