2006 Audi S4 vs. 1991 Chevrolet Astro
To start off, 2006 Audi S4 is newer by 15 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, 2006 Audi S4 (339 HP @ 7000 RPM) has 156 more horse power than 1991 Chevrolet Astro. (183 HP @ 4400 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 1991 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 1991 Chevrolet Astro weights approximately 16 kg more than 2006 Audi S4.
Because 1991 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi S4. 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 72 more torque (in Nm) than 1991 Chevrolet Astro. (338 Nm @ 2800 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet Astro.
Compare all specifications:
| 2006 Audi S4 | 1991 Chevrolet Astro | |
| Make | Audi | Chevrolet |
| Model | S4 | Astro |
| Year Released | 2006 | 1991 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4293 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 339 HP | 183 HP |
| Engine RPM | 7000 RPM | 4400 RPM |
| Torque | 410 Nm | 338 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Engine Bore Size | 84.6 mm | 101.6 mm |
| Engine Stroke Size | 92.8 mm | 88.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 8 seats |
| Vehicle Weight | 1880 kg | 1896 kg |
| Vehicle Length | 4590 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1980 mm |
| Vehicle Height | 1430 mm | 1910 mm |
| Wheelbase Size | 2650 mm | 2830 mm |
