1991 Chevrolet Astro vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Chevrolet Astro. In addition, the cost of maintenance, including insurance, on 1991 Chevrolet Astro would be higher. At 4,802 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (295 HP @ 5600 RPM) has 112 more horse power than 1991 Chevrolet Astro. (183 HP @ 4400 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1991 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 372 kg more than 1991 Chevrolet Astro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 2007 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 1991 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 GMC Sierra (414 Nm @ 4800 RPM) has 76 more torque (in Nm) than 1991 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 1991 Chevrolet Astro. 2007 GMC Sierra has automatic transmission and 1991 Chevrolet Astro has manual transmission. 1991 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:
1991 Chevrolet Astro | 2007 GMC Sierra | |
Make | Chevrolet | GMC |
Model | Astro | Sierra |
Year Released | 1991 | 2007 |
Body Type | Minivan | Pickup |
Engine Position | Front | Front |
Engine Size | 4293 cc | 4802 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 183 HP | 295 HP |
Engine RPM | 4400 RPM | 5600 RPM |
Torque | 338 Nm | 414 Nm |
Torque RPM | 2800 RPM | 4800 RPM |
Engine Bore Size | 101.6 mm | 96 mm |
Engine Stroke Size | 88.4 mm | 83 mm |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 8 seats | 6 seats |
Vehicle Weight | 1896 kg | 2268 kg |
Vehicle Length | 4830 mm | 5850 mm |
Vehicle Width | 1980 mm | 2040 mm |
Vehicle Height | 1910 mm | 1880 mm |
Wheelbase Size | 2830 mm | 3650 mm |