1948 AC 2-Litre vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 59 year(s). Which means there will be less support and parts availability for 1948 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1948 AC 2-Litre would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 263 more horse power than 1948 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 1948 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 402 kg more than 1948 AC 2-Litre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1948 AC 2-Litre. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 273 more torque (in Nm) than 1948 AC 2-Litre. (137 Nm @ 2500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1948 AC 2-Litre.
Compare all specifications:
| 1948 AC 2-Litre | 2007 Audi S4 | |
| Make | AC | Audi |
| Model | 2-Litre | S4 |
| Year Released | 1948 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 76 HP | 339 HP |
| Engine RPM | 4500 RPM | 7000 RPM |
| Torque | 137 Nm | 410 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 65 mm | 84.5 mm |
| Engine Stroke Size | 100 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1722 kg |
| Vehicle Length | 4680 mm | 4590 mm |
| Vehicle Width | 1710 mm | 1730 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2980 mm | 2650 mm |
| Fuel Tank Capacity | 52 L | 63 L |
