1973 Austin Allegro vs. 1977 Mercedes-Benz S
To start off, 1977 Mercedes-Benz S is newer by 4 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 2,745 cc (6 cylinders), 1977 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1977 Mercedes-Benz S (158 HP @ 5500 RPM) has 100 more horse power than 1973 Austin Allegro. (58 HP @ 5300 RPM) In normal driving conditions, 1977 Mercedes-Benz S should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mercedes-Benz S weights approximately 790 kg more than 1973 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 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 1977 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 1973 Austin Allegro, 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, 1977 Mercedes-Benz S (223 Nm @ 4000 RPM) has 130 more torque (in Nm) than 1973 Austin Allegro. (93 Nm @ 3000 RPM). This means 1977 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 1977 Mercedes-Benz S | |
| Make | Austin | Mercedes-Benz |
| Model | Allegro | S |
| Year Released | 1973 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1275 cc | 2745 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 58 HP | 158 HP |
| Engine RPM | 5300 RPM | 5500 RPM |
| Torque | 93 Nm | 223 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 70.6 mm | 86 mm |
| Engine Stroke Size | 81.3 mm | 78.8 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 820 kg | 1610 kg |
| Vehicle Length | 3860 mm | 4740 mm |
| Vehicle Width | 1620 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2870 mm |
| Fuel Tank Capacity | 47 L | 85 L |
