PSA XU engine


The PSA XU is a family of internal combustion engines used in Citroën and Peugeot automobiles. It became the dominant mid-size engine in Peugeot and Citroën products through the 1980s and 1990s.
The XU design was introduced in 1981 with the Peugeot 305. It was a SOHC or DOHC straight-4 design with two or four valves per cylinder, using petrol as fuel. It was applied transversely in front wheel drive vehicles only, tilted by 30°. Displacement ranged between, and all production XU gasoline engines had a bore of. The engine uses in all models aluminium cylinder head. All models blocks are made, except XU10, in cast aluminium alloy with removable cast iron wet cylinder liners. XU10 blocks are made in cast iron, with bores machined directly in the block, without removable cylinder liners. Its first Citroën application was on the Citroën BX in 1983, where it appeared in format.
The XU was replaced by the more modern EW/DW family.

XU5

The XU5 had a displacement of, with a bore and a stroke of. All XU5 engines were SOHC 2-valve per cylinder designs. It used either a single or double-barrel carburetor or fuel injection, depending on model. Output ranged from.
ModelOutputNotesModel of car
XU5 JFuel injectionPeugeot 205 GTi 1.6, CTi 1.6
Citroën BX 16 TRi
XU5 1C1-bbl carburettorPeugeot 205
Peugeot 309 GR, XR, SR and SX
Citroën BX 15 RE/TGE
XU5 2C2-bbl carburettorPeugeot 309 GR, XR, SR SX and XS 1.6
Citroën BX 16 TRS
Peugeot 405 SR, GR, GRX and GL
XU5 M3/ZFuel injection catalystPeugeot 405 GRi
Peugeot 205 XS, GT, Roland Garros
Citroën ZX
XU5 S2-bbl carburettorPeugeot 305 GT
XU5 JAFuel injectionPeugeot 205 GTi 1.6, CTi 1.6
Peugeot 309 1.6 SRi

XU7

The XU7 had a displacement of, with a bore and a stroke of. All XU7 engines used fuel injection, with a 16-valve DOHC version, the XU7 JP4, also produced. Output ranged from.
ModelOutputNotesModel of Car
XU7 JB / LFXFuel injection catalystCitroën Berlingo, Citroën Xsara, Citroën Xantia from 1998
Peugeot 406 SR, Peugeot Partner
LFWFuel injection catalystEurovans
XU7 JP / LFZFuel injection catalystCitroën Xantia up to 1998, Citroën Xsara, Citroën ZX
Peugeot 306, Peugeot 405, Peugeot Pars, IKCO Samand
XU7 JP4 / LFY16-valve DOHC catalystCitroën Xantia, Citroën Xsara, Citroën ZX 1,8 16V
Peugeot 306, Peugeot 406, Peugeot Pars ELX, IKCO Samand

XU8

The XU8 had a displacement of, with a bore and a stroke of. The 16-valve DOHC turbocharged XU8 T which was fitted to the 205 Turbo 16.
ModelOutputNotesModel of Car
XU8 T16-valve DOHC turboPeugeot 205 T16

XU9

The XU9 was the predecessor to the XU10 and had an aluminum block with wet iron liners. It had a displacement of, with a bore and a stroke of. Many versions were produced, from a double-barrel carburetted 8-valve to a 16-valve DOHC fuel injected model. Output ranged from.
ModelOutputNotesModel of Car
XU9 2C2-bbl carburettorPeugeot 305 GT
Peugeot 309 1.9 GT
XU9 2C2-bbl carburettorPeugeot 405 GR/SR
XU9 4Twin 2-bbl carburettorCitroën BX Sport
XU9 J1Fuel injection catalystPeugeot 305 GTX
XU9 J1/ZFuel injection catalystPeugeot 205 Gentry
XU9 J2Fuel injectionPeugeot 405 SRi
Citroën BX 19 GTi 8V
XU9 JA/KFuel injectionCitroën ZX Volcane
Peugeot 205 1.9 GTi
Peugeot 309 1.9 GTi
XU9 JA/ZFuel injection catalystPeugeot 205 1.9 GTi with Cat
Peugeot 309 1.9 GTi with Cat
XU9 J4 / D6C/LFuel injection 16-valve DOHCCitroën BX 19 GTi 16V
Peugeot 405 Mi16
Peugeot 309 GTI-16
XU9 J4/Z / DFWFuel injection 16-valve DOHC catalystCitroën BX 19 16V with Cat
Peugeot 405 Mi16 with Cat
Peugeot 309 GTI-16 with Cat

XU10

The XU10 had a cast iron block with a displacement of, with a bore and stroke of, meaning it was a square engine. Many versions were produced, from a double-barrel carburetted 8-valve to a 16-valve DOHC fuel injected turbocharged model. Output ranged from.
ModelOutput NotesModel of Car
XU10 2C8v - 2-bbl carburettorCitroën XM 2.0
Peugeot 605 2.0
XU10 J2C/L / RFX8v - Fuel injection catalystCitroën Xantia I 2.0i
Citroën ZX Volcane 2.0
Peugeot 306 XSi
Peugeot 405 SRi 2.0
Peugeot 605
XU10 J28v - Fuel injectionCitroën Xantia I 2.0i
Peugeot 605 SRi
XU10 J2U / RFW8v - Fuel injection catalystCitroën Jumper 2.0i
Peugeot Boxer 2.0i
Fiat Ducato 2.0 i.e.
XU10 J2U / RFL8v - Fuel injection catalystCitroën Jumper 2.0i
Peugeot Boxer 2.0i
Fiat Ducato 2.0 i.e.
XU10 J2TE / RGY8v - turbo catalystCitroën XM 2.0 Turbo CT
Peugeot 605 2.0 Turbo
XU10 J2TE / RGX8v - turbo catalystCitroën XM 2.0 Turbo CT
Citroën Xantia 2.0 Turbo CT
Peugeot 406 SRi Turbo
Peugeot 605 2.0 Turbo
Eurovans
XU10 J4D/Z / RFT16-valve DOHC catalystCitroën ZX Coupé
Citroën Xantia I
Peugeot 306 S16
Peugeot 405 Mi16 mkII
XU10 J4R/L3 / RFV16-valve DOHC catalystCitroën XM
Citroën Xantia
Citroën Xsara Exclusive
Peugeot 306
Peugeot 406
Peugeot 806
Peugeot 605
XU10 J4RS/L3 / RFS16-valve DOHC catalystCitroën ZX Dakar
Citroën Xsara VTS
Peugeot 306 Rallye
Peugeot 306 GTI6
XU10 J4TE16-valve DOHC turbo catalystPeugeot 405 T16 Turbo 4x4
XU10 J4/L/Z / RFY16-valve DOHC catalystPeugeot 405 Mi16
Citroën ZX
Peugeot 306 S16

Motorsport

The XU engine was used in motorsport for over 3 decades.
ModelBore x StrokeDisplacementOutputtorqueNotesModel of Car
*NO INFO**NO INFO*16-valve DOHC turboCitroën AX Superproduction/ Supertourisme prototype
XU8 T*NO INFO*16-valve DOHC turboPeugeot 205 T16 Kitée
XU8 T Evo 1*NO INFO*16-valve DOHC turboPeugeot 205 T16 Evolution 1
XU8 T Evo 2*NO INFO*16-valve DOHC turboPeugeot 205 T16 Evolution 2
XU9J4x*NO INFO*16-valve DOHCPeugeot 905 spider
XU10J4x at 8700 rpm at 5900 rpm16-valve DOHCPeugeot 306 Maxi
*NO INFO* at 5250 rpm at 3500-4000 rpm16-valve DOHC TR30R turboPeugeot 206 WRC, Peugeot 307 WRC
*NO INFO* at 5500 rpm at 2750 rpm16-valve DOHC TR30R turboCitroën Xsara T4 W