2007 BMW Z4 vs. 1990 Chevrolet Astro
To start off, 2007 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Chevrolet Astro. In addition, the cost of maintenance, including insurance, on 1990 Chevrolet Astro would be higher. At 4,293 cc (6 cylinders), 1990 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 155 more horse power than 1990 Chevrolet Astro. (183 HP @ 4400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1990 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 1990 Chevrolet Astro weights approximately 410 kg more than 2007 BMW Z4.
Because 1990 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1990 Chevrolet Astro 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, 2007 BMW Z4 (365 Nm @ 4900 RPM) has 27 more torque (in Nm) than 1990 Chevrolet Astro. (338 Nm @ 2800 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Chevrolet Astro.
Compare all specifications:
| 2007 BMW Z4 | 1990 Chevrolet Astro | |
| Make | BMW | Chevrolet |
| Model | Z4 | Astro |
| Year Released | 2007 | 1990 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 183 HP |
| Engine RPM | 7900 RPM | 4400 RPM |
| Torque | 365 Nm | 338 Nm |
| Torque RPM | 4900 RPM | 2800 RPM |
| Engine Bore Size | 87 mm | 101.6 mm |
| Engine Stroke Size | 91 mm | 88.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 8 seats |
| Vehicle Weight | 1485 kg | 1895 kg |
| Vehicle Length | 4120 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1980 mm |
| Vehicle Height | 1310 mm | 1910 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
