1967 AC 428 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 40 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, 2007 Porsche 911 (351 HP @ 6600 RPM) has 6 more horse power than 1967 AC 428. (345 HP @ 4600 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1967 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 8 kg more than 2007 Porsche 911.
Because 2007 Porsche 911 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, 2007 Porsche 911 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 (627 Nm @ 2800 RPM) has 227 more torque (in Nm) than 2007 Porsche 911. (400 Nm @ 4600 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche 911.
Compare all specifications:
| 1967 AC 428 | 2007 Porsche 911 | |
| Make | AC | Porsche |
| Model | 428 | 911 |
| Year Released | 1967 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 7010 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 351 HP |
| Engine RPM | 4600 RPM | 6600 RPM |
| Torque | 627 Nm | 400 Nm |
| Torque RPM | 2800 RPM | 4600 RPM |
| Engine Bore Size | 105 mm | 99 mm |
| Engine Stroke Size | 101.2 mm | 82.8 mm |
| Top Speed | 233 km/hour | 288 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 1475 kg |
| Vehicle Length | 4520 mm | 4430 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1260 mm | 1310 mm |
| Wheelbase Size | 2440 mm | 2360 mm |
| Fuel Tank Capacity | 85 L | 67 L |
