1949 AC 2-Litre vs. 2009 Audi A5
To start off, 2009 Audi A5 is newer by 60 year(s). Which means there will be less support and parts availability for 1949 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1949 AC 2-Litre would be higher. At 1,991 cc (6 cylinders), 1949 AC 2-Litre is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (169 HP @ 4200 RPM) has 93 more horse power than 1949 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 2009 Audi A5 should accelerate faster than 1949 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 150 kg more than 1949 AC 2-Litre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1949 AC 2-Litre 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 1949 AC 2-Litre. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A5, 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, 2009 Audi A5 (350 Nm @ 1750 RPM) has 214 more torque (in Nm) than 1949 AC 2-Litre. (136 Nm @ 2500 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1949 AC 2-Litre.
Compare all specifications:
| 1949 AC 2-Litre | 2009 Audi A5 | |
| Make | AC | Audi |
| Model | 2-Litre | A5 |
| Year Released | 1949 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 76 HP | 169 HP |
| Engine RPM | 4500 RPM | 4200 RPM |
| Torque | 136 Nm | 350 Nm |
| Torque RPM | 2500 RPM | 1750 RPM |
| Engine Bore Size | 65 mm | 81 mm |
| Engine Stroke Size | 100 mm | 95.5 mm |
| Engine Compression Ratio | 6.8:1 | 16.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1470 kg |
| Vehicle Length | 4680 mm | 4630 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1560 mm | 1380 mm |
| Wheelbase Size | 2980 mm | 2760 mm |
| Fuel Tank Capacity | 52 L | 65 L |
