1949 AC 2-Litre vs. 2009 Audi RS6
To start off, 2009 Audi RS6 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 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 496 more horse power than 1949 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 2009 Audi RS6 should accelerate faster than 1949 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 708 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 2009 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1949 AC 2-Litre. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS6 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, 2009 Audi RS6 (650 Nm @ 1500 RPM) has 514 more torque (in Nm) than 1949 AC 2-Litre. (136 Nm @ 2500 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1949 AC 2-Litre. 2009 Audi RS6 has automatic transmission and 1949 AC 2-Litre has manual transmission. 1949 AC 2-Litre will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1949 AC 2-Litre | 2009 Audi RS6 | |
| Make | AC | Audi |
| Model | 2-Litre | RS6 |
| Year Released | 1949 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4991 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 76 HP | 572 HP |
| Engine RPM | 4500 RPM | 6250 RPM |
| Torque | 136 Nm | 650 Nm |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Bore Size | 65 mm | 84.5 mm |
| Engine Stroke Size | 100 mm | 89 mm |
| Engine Compression Ratio | 6.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1320 kg | 2028 kg |
| Vehicle Length | 4680 mm | 4930 mm |
| Vehicle Width | 1710 mm | 1900 mm |
| Vehicle Height | 1560 mm | 1470 mm |
| Wheelbase Size | 2980 mm | 2850 mm |
| Fuel Tank Capacity | 52 L | 80 L |
