B:What do you have in mind? A:A reliable sedan,in good condition,with a low mileage and a full service history. B:Engine size? Thank you in advance!! Click to expand Last edited: May 21, Glenfarclas Senior Member Chicago. PaulQ said:. A more powerful engine can accelerate quicker and reach higher speeds, however, more fuel will need to be pumped into its cylinders in order to create this power, which can make them less eco-friendly.
This will often allow them to match a higher cc car that does not have a turbocharged engine. For example, a Ford 1-litre EcoBoost turbo engine can produce nearly as much power as a 1. As you can likely imagine, larger engines with an increased capacity for fuel and air require more fuel than smaller engines. Ideally, the engine size you choose should not compromise your car insurance. However, the other side to this is increased performance and power, providing an exhilarating driving experience for those who appreciate a car that packs a punch.
On the other hand, those who prioritise money saving through lower fuel costs, cheaper insurance premiums and even lower payments on the vehicle itself would likely be better suited to a more lightweight car with a lower cc. New models of city car such as the Peugeot are short on space, top speed and acceleration, but are significantly more affordable to purchase and run than the cars mentioned previously.
Eco-conscious drivers may also want to explore the possibility of purchasing a car with a hybrid engine , which combines the power and range of a conventional engine, with the environmental benefits of an electric motor. These cars reduce fuel consumption and exhaust emissions in a number of ways, such as only running on electric power at take-off, or when driving at low speeds.
The kinetic movement of the car returns energy to the battery during use of the petrol engine, recharging the car for when it returns to electric engine usage.
Some manufacturers, including Ford and Volkswagen, even offer a 1. And the small 1. Engine size used to be the be-all-and-end-all indicator of a car's performance, but current technologies allow for increased fuel efficiency while returning better power and torque figures.
The downside of this is the loss of the unique characteristics of larger naturally aspirated engines that make them fun to drive.
That said, turbocharged engines are fun to drive in their own way. A KTM Duke has a displacement of It has a power output of 43bhp and a compression ratio of On the other hand, a Royal Enfield Classic has a compression ratio of 8.
Though it has a higher engine displacement of cc, the lower compression ratio allows it to produce only Though it has the same engine capacity as the Duke, it produces around 8. This can primarily be attributed to the lower compression ratio of Superbikes like the Yamaha YZF-R1 which produce extremely high outputs have compression ratios going above Low compression ratio is also the reason for the world's first automobile to have a low power output of 0.
Compression ratio is largely dependent on the build quality of engine parts. With stronger engine components, manufacturers and tuners can squeeze out more power.
This is yet another major influencer on the power output of an engine. Turbocharged and supercharged engines are known to produce more power and torque irrespective of engine capacity. Turbochargers and superchargers compress air and squeezes more air into the cylinders.
Since more air is taken in than in a naturally aspirated intake stroke, the engine ends up producing more power and torque. Terms such as these are used by several thousand people on a daily basis, but most of them do not know what it actually means.
Though they look complicated, they are pretty simple to understand.
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