1973 Austin Allegro vs. 2007 Mercedes-Benz SL
To start off, 2007 Mercedes-Benz SL is newer by 34 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 5,439 cc (8 cylinders), 2007 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SL (510 HP @ 6100 RPM) has 462 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2007 Mercedes-Benz SL should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz SL weights approximately 1160 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 2007 Mercedes-Benz SL 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 2007 Mercedes-Benz SL. 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, 2007 Mercedes-Benz SL (720 Nm @ 2600 RPM) has 639 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2007 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 2007 Mercedes-Benz SL has automatic transmission and 1973 Austin Allegro has manual transmission. 1973 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 2007 Mercedes-Benz SL | |
| Make | Austin | Mercedes-Benz |
| Model | Allegro | SL |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 48 HP | 510 HP |
| Engine RPM | 5250 RPM | 6100 RPM |
| Torque | 81 Nm | 720 Nm |
| Torque RPM | 2450 RPM | 2600 RPM |
| Engine Bore Size | 64.6 mm | 97.1 mm |
| Engine Stroke Size | 83.7 mm | 92 mm |
| Engine Compression Ratio | 8.5:1 | 9.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 800 kg | 1960 kg |
| Vehicle Length | 3860 mm | 4540 mm |
| Vehicle Width | 1620 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2440 mm | 2570 mm |
| Fuel Tank Capacity | 47 L | 80 L |
