1991 Chevrolet Astro vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 18 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 4,293 cc (6 cylinders), 1991 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 2009 Mercury Mariner (240 HP @ 6550 RPM) has 57 more horse power than 1991 Chevrolet Astro. (183 HP @ 4400 RPM) In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 1991 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 29 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.
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, 1991 Chevrolet Astro (338 Nm @ 2800 RPM) has 36 more torque (in Nm) than 2009 Mercury Mariner. (302 Nm @ 4500 RPM). This means 1991 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner. 2009 Mercury Mariner 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. 2009 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Chevrolet Astro | 2009 Mercury Mariner | |
| Make | Chevrolet | Mercury |
| Model | Astro | Mariner |
| Year Released | 1991 | 2009 |
| Body Type | Minivan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 183 HP | 240 HP |
| Engine RPM | 4400 RPM | 6550 RPM |
| Torque | 338 Nm | 302 Nm |
| Torque RPM | 2800 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 8 seats | 5 seats |
| Vehicle Weight | 1896 kg | 1925 kg |
| Vehicle Length | 4830 mm | 4460 mm |
| Vehicle Width | 1980 mm | 1810 mm |
| Vehicle Height | 1910 mm | 1780 mm |
| Wheelbase Size | 2830 mm | 2630 mm |
