2009 Mazda CX-7 vs. 1990 Mercedes-Benz S
To start off, 2009 Mazda CX-7 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1990 Mercedes-Benz S would be higher. At 5,547 cc (8 cylinders), 1990 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1990 Mercedes-Benz S (297 HP @ 5000 RPM) has 53 more horse power than 2009 Mazda CX-7. (244 HP @ 5000 RPM) In normal driving conditions, 1990 Mercedes-Benz S should accelerate faster than 2009 Mazda CX-7. With that said, vehicle weight also plays an important factor in acceleration. 1990 Mercedes-Benz S weights approximately 478 kg more than 2009 Mazda CX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-7 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 Mercedes-Benz S (463 Nm @ 3750 RPM) has 113 more torque (in Nm) than 2009 Mazda CX-7. (350 Nm @ 2500 RPM). This means 1990 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda CX-7.
Compare all specifications:
| 2009 Mazda CX-7 | 1990 Mercedes-Benz S | |
| Make | Mazda | Mercedes-Benz |
| Model | CX-7 | S |
| Year Released | 2009 | 1990 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 5547 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 244 HP | 297 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 350 Nm | 463 Nm |
| Torque RPM | 2500 RPM | 3750 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1332 kg | 1810 kg |
| Vehicle Length | 4680 mm | 5030 mm |
| Vehicle Width | 1880 mm | 1830 mm |
| Vehicle Height | 1650 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2950 mm |
