1990 Chevrolet Astro vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra 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 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 162 more horse power than 1990 Chevrolet Astro. (183 HP @ 4400 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1990 Chevrolet Astro.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 GMC Sierra (515 Nm @ 4000 RPM) has 177 more torque (in Nm) than 1990 Chevrolet Astro. (338 Nm @ 2800 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1990 Chevrolet Astro. 2007 GMC Sierra has automatic transmission and 1990 Chevrolet Astro has manual transmission. 1990 Chevrolet Astro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Chevrolet Astro | 2007 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Astro | Sierra |
| Year Released | 1990 | 2007 |
| Body Type | Minivan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 5998 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 183 HP | 345 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Torque | 338 Nm | 515 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 101.6 mm | 102 mm |
| Engine Stroke Size | 88.4 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 8 seats | 5 seats |
| Vehicle Length | 4830 mm | 5850 mm |
| Vehicle Width | 1980 mm | 2000 mm |
| Vehicle Height | 1910 mm | 1910 mm |
| Wheelbase Size | 2830 mm | 3650 mm |
