2001 Ariel Atom vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Ariel Atom. In addition, the cost of maintenance, including insurance, on 2001 Ariel Atom would be higher. At 3,246 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 229 more horse power than 2001 Ariel Atom. (109 HP @ 5000 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2001 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 1025 kg more than 2001 Ariel Atom. 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, 2007 BMW Z4 (365 Nm @ 4900 RPM) has 217 more torque (in Nm) than 2001 Ariel Atom. (148 Nm @ 3000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Ariel Atom.
Compare all specifications:
| 2001 Ariel Atom | 2007 BMW Z4 | |
| Make | Ariel | BMW |
| Model | Atom | Z4 |
| Year Released | 2001 | 2007 |
| Body Type | Roadster | Convertible |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 3246 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 109 HP | 338 HP |
| Engine RPM | 5000 RPM | 7900 RPM |
| Torque | 148 Nm | 365 Nm |
| Torque RPM | 3000 RPM | 4900 RPM |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 180 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 2 seats |
| Vehicle Weight | 460 kg | 1485 kg |
| Vehicle Length | 3420 mm | 4120 mm |
| Vehicle Width | 1800 mm | 1310 mm |
| Vehicle Height | 1200 mm | 1790 mm |
| Wheelbase Size | 2350 mm | 2500 mm |
