1965 AC 427 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 44 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 195 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1965 AC 427 weights approximately 107 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 402 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2000 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 1965 AC 427 | 2009 BMW Z4 | |
| Make | AC | BMW |
| Model | 427 | Z4 |
| Year Released | 1965 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 410 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 652 Nm | 250 Nm |
| Torque RPM | 3700 RPM | 2000 RPM |
| Engine Bore Size | 107.7 mm | 82 mm |
| Engine Stroke Size | 96 mm | 78.8 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1397 kg | 1290 kg |
| Vehicle Length | 4430 mm | 4100 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1300 mm | 1310 mm |
| Wheelbase Size | 2440 mm | 2500 mm |
| Fuel Tank Capacity | 81 L | 55 L |
