Ever wondered what those letters attached to your car mean? Or have you ever been in traffic and wondered what on earth is the difference between a CDTI and a TFSI? Well, in this blog we take a look at the meanings behind various engine names and what the acronyms stand for.
TBi - TBi is the petrol turbo engine it stands for turbo benzina injection. Benzina is Italian for petrol.
TFSI/TSI – TFSI stands for Turbo fuel stratified injection – essentially a petrol engine with a turbo.
TDI – TDI stands for turbocharged direction injection – a turbodiesel.
Blue DCI – DCI stands for diesel common rail injection – a diesel turbocharged engine.
Ford share their engines with a few manufacturers but keep the acronyms unique.
Honda builds unique engines and this translates into how they name them, too.
i-VTEC – VTEC stands for intelligent valve timing electronic control and can be a turbo and non-turbo petrol engine. A common engine found throughout the range including the Civic.
i-DTEC – this stands for intelligent diesel technology electronic control.
GDI – A type of Hyundai “Gamma” engine. Gdi stands for gasoline direct injection and is used to describe Kia and Hyundai’s naturally aspirated petrol engine. Found in the i20 and up for Hyundai and the Kia Rio.
TGDI – Another of Hyundai’s “Gamma” engines. TGDI stands for turbocharged gasoline direct injection and is Kia and Hyundai’s turbocharged petrol engine. You can find the TGDi in a Tucson and Kia Optima.
CRDi – A part of Hyundai’s “U” engines. CRDI stands for common rail direct injection, usually paired with a turbocharger. Commong among most Hyundai and Kia models.
GSE – GSE is an engine made by the Fiat/Chrysler partnership and seen newer models of Fiat 500X and Jeeps such as the Renegade. It stands for Global Small Engine and is a naturally aspirated 1.0 3 cylinder indirect injected petrol engines.
ED4 – Land Rover’s eD4 engine is the Ford TDCI engine rebadged and is Land Rover’s 2WD turbo charged diesel engine. The 4 stands for the number of direct fuel injectors. One can assume that ED4 could stand for Economical Diesel (4). Most common in the Range Rover Evoque.
TD4 – The TD4 BMW-sourced4 engine is a more powerful and perhaps more rugged diesel engine. It stands for Turbo Diesel. Can be seen in the Discovery Sport among others.
Si4 – Si4 is Land Rover’s 4 cylinder turbocharged petrol engine. The “S” stands for sequential, the “i” presumably means injection and the 4 references the cylinders.
VTI – VTI means variable valve lift and timing injection and is MGs naturally aspirated and economical petrol engines. It’s from the Rover K-Series and not the same engines as the PSA group although it is extremely similar.
TGI-Tech – TGI stands for Turbocharged gasoline injection and is MG’s turbo petrol engine. It’s a rebadged GDI engine.
DI-D – DI-D stands for Direct Injection diesel. Common in most models including the Outlander.
DCI – DCI for Nissan is the same as Renault’s diesel common rail injection engine. Juke's make good use of this engine.
DiG-T – DiG-T stands for Direct Injection Gasoline Turbocharged and is Nissan’s more powerful but still economical petrol engines. Popular with Qashqais.
VVT-I – VVTi stands for variable valve timing-injection and is a common engine type for small petrol hatchbacks such as the Yaris.
D-4s – The D4-S engine is a Toyota GT86 specific engine which stands for Direct injected 4 cylinder swept displacement.