1978 Mercedes-Benz S vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1978 Mercedes-Benz S would be higher. At 2,746 cc (6 cylinders), 1978 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1978 Mercedes-Benz S (157 HP @ 5500 RPM) has 101 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1978 Mercedes-Benz S should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercedes-Benz S weights approximately 575 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Mercedes-Benz S is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1978 Mercedes-Benz S (223 Nm @ 4000 RPM) has 118 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1978 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
1978 Mercedes-Benz S | 1991 Opel Astra | |
Make | Mercedes-Benz | Opel |
Model | S | Astra |
Year Released | 1978 | 1991 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2746 cc | 1698 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 157 HP | 56 HP |
Engine RPM | 5500 RPM | 4600 RPM |
Torque | 223 Nm | 105 Nm |
Torque RPM | 4000 RPM | 2400 RPM |
Engine Bore Size | 86 mm | 82.5 mm |
Engine Stroke Size | 78.8 mm | 79.5 mm |
Engine Compression Ratio | 8.7:1 | 23.0:1 |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1610 kg | 1035 kg |
Vehicle Length | 4740 mm | 4250 mm |
Vehicle Width | 1880 mm | 1690 mm |
Vehicle Height | 1430 mm | 1430 mm |
Wheelbase Size | 2870 mm | 2530 mm |
Fuel Tank Capacity | 85 L | 52 L |