1967 AC 428 vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 37 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 6 more horse power than 2004 Audi S4. (339 HP @ 7000 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 2004 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 177 kg more than 1967 AC 428.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1967 AC 428. In wet, icy, snow, or gravel driving conditions, 2004 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, 1967 AC 428 (626 Nm @ 2800 RPM) has 216 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4. 1967 AC 428 has automatic transmission and 2004 Audi S4 has manual transmission. 2004 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1967 AC 428 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1967 AC 428 | 2004 Audi S4 | |
| Make | AC | Audi |
| Model | 428 | S4 |
| Year Released | 1967 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 345 HP | 339 HP |
| Engine RPM | 4600 RPM | 7000 RPM |
| Torque | 626 Nm | 410 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Engine Bore Size | 105 mm | 84.5 mm |
| Engine Stroke Size | 101.2 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 233 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1483 kg | 1660 kg |
| Vehicle Length | 4520 mm | 4590 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1260 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2430 mm |
| Fuel Tank Capacity | 85 L | 63 L |
