Car Engine Names Explained

Car Engine Names Explained

dCi? TDi? Ecoboost? What do these engine names mean? And are they petrol or diesel? Let us take you through the various engine names you’ll come across, during your car-buying journey, from different manufacturers…

Alfa Romeo

Petrol – TB (Turbo Benzina, as in turbo petrol)

Diesel – JTDm (uni-Jet Turbo Diesel modificata)

Audi

Petrol – TFSI (Turbo Fuel Stratified Injection)

Diesel – TDi (Turbocharged Direct Injection)

Plug-in Hybrid – e-Tron

BMW

Petrol – model number ends with “i” eg. 116i

Diesel – model number ends with “d” eg. 116d

Plug-in Hybrid – model number ends with “e” eg. 330e

Citroen / DS

Petrol – VTi (Variable Valve Lift and Timing injection), PureTech, THP (Turbo Haute Pression or, in English, High Pressure Turbo)

Diesel – HDi (High-pressure Direct injection). Models with stop-start are labelled eHDi. BlueHDi are highly efficient engines.

Hybrid – HYbrid4

Fiat

Petrol – Non-turbocharged engines aren’t given any labels. The two-cylinder turbocharged engine is called the TwinAir. Larger turbocharged engines are called T-Jet or Multiair, depending on the technology used.

Diesel – Multijet

Ford

Petrol - Non-turbocharged engines aren’t given any labels, Ecoboost (turbocharged)

Diesel – TDCi (Turbo Diesel Commonrail injection)

Honda

Petrol - Non-turbocharged engines aren’t given any labels.

Diesel – i-DTEC (Intelligent Diesel Technology Electronic Control)

Hyundai

Petrol – Most non-turbocharged petrol engines are not labelled, though some may be listed as GDi, which stands for Gasoline Direct injection. Models with turbocharged engines will be listed with a T after the engine size, eg. 1.0T

Diesel – CRDi (Common Rail Direct injection)

Jeep

Petrol – Multiair

Diesel – Multijet, CRD (Common Rail Diesel)

Kia

Petrol – Most non-turbocharged petrol engines are not labelled, though some may be listed as GDi, which stands for Gasoline Direct injection. Models with turbocharged engines will be listed with a T after the engine size, eg. 1.0T

Diesel – CRDi (Common Rail Direct injection)

Note: Both petrol and diesel models may be labelled with EcoDynamics; greener versions of the engines, both more economical and cleaner.

Mazda

Petrol – Mazda don’t do turbocharged petrol engines and are not labelled. The previous generation MX5 is listed with an “i” after the engine size, eg. 1.8i

Diesel – Engine sizes are listed with a “d” eg. 2.2d

Mercedes-Benz

Petrol – Fuel type not labelled in listings

Diesel – BlueTEC, CDI (Common-rail Diesel Injection), “d” (eg. A200d)

Plug-in Hybrid – “e” eg. C350e

Nissan

Petrol – Non-turbocharged engines are not labelled. DiG-S (Direct-injection Gasoline-Supercharged), DiG-T (Direct-injection Gasoline-Turbocharged)

Diesel – dCi (direct Common-rail injection)

Peugeot

Petrol – Some petrol engines aren’t labelled, some with VTi (Variable Valve Lift and Timing injection) or Puretech, THP (Turbo Haute Pression or, in English, High Pressure Turbo).

Diesel – HDi (High-pressure Direct injection). Models with stop-start are labelled eHDi. BlueHDi are highly efficient engines.

Hybrid – HYbrid4

Renault

Petrol – TCE (Turbo Control Efficiency), SCE (Smart Control Efficiency), non-turbocharged engines not labelled.

Diesel – dCi (direct Common-rail injection)

Seat

Petrol – TSI (Turbocharged Stratified Injection), non-turbocharged engines not labelled

Diesel – TDi (Turbocharged Direct Injection)

Skoda

Petrol – TSI (Turbocharged Stratified Injection), non-turbocharged engines are labelled as MPI (Multi-Point Injection)

Diesel – TDi (Turbocharged Direct Injection)

Vauxhall

Petrol – Non-turbocharged engines either not labelled or have an “i” after the engine size eg. 1.2i. Turbocharged engines can be identified if there’s a T after the engine size e.g 1.0T

Diesel – CDTi (Common-rail Diesel Turbo injection)

Note: ECOFLEX technology can be found on both petrol and diesel engines, offering higher mpg and lower emissions.

Volkswagen

Petrol – TSI (Turbocharged Stratified Injection), non-turbocharged engines not labelled

Diesel – TDi (Turbocharged Direct Injection)

Volvo

Petrol – Model number preceded by a “T” eg. V40 T2

Diesel – Model number preceded by a “D” eg. V40 D2

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