2005 BMW Z4 vs. 1990 Chevrolet Astro
To start off, 2005 BMW Z4 is newer by 15 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, 1990 Chevrolet Astro (183 HP @ 4400 RPM) has 42 more horse power than 2005 BMW Z4. (141 HP @ 6200 RPM) In normal driving conditions, 1990 Chevrolet Astro should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1990 Chevrolet Astro weights approximately 570 kg more than 2005 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 2005 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, 1990 Chevrolet Astro (338 Nm @ 2800 RPM) has 138 more torque (in Nm) than 2005 BMW Z4. (200 Nm @ 3600 RPM). This means 1990 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
| 2005 BMW Z4 | 1990 Chevrolet Astro | |
| Make | BMW | Chevrolet |
| Model | Z4 | Astro |
| Year Released | 2005 | 1990 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4293 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 141 HP | 183 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 200 Nm | 338 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 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 | 1325 kg | 1895 kg |
| Vehicle Length | 4100 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1980 mm |
| Vehicle Height | 1310 mm | 1910 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
