The XU9 had a displacement of 1.9 L (1905 cc), with a bore of 83 mm (3.3 in) and a stroke of 88 mm (3.5 in). Many versions were produced, from a double-barrel carburetted 8-valve to a 16-valve DOHC fuel injected model. Output ranged from 105–160 PS (104–158 hp/77–118 kW).
| Model | Output | Notes | Model of Car |
|---|---|---|---|
| XU9 2C | 105 PS (103 hp/77 kW) | 2-bbl carb | Peugeot 305 GT |
| XU9 2C | 110 PS (108 hp/80 kW) | 2-bbl carb | Peugeot 405 GR/SR |
| XU9 4C? | 126 PS (124 hp/92 kW) | Twin 2-bbl carb | Citroën BX Sport |
| XU9 J1/Z | 105 PS (103 hp/77 kW) | FI catalyst | Peugeot 205 Gentry |
| XU9 J2 | 125 PS (123 hp/91 kW) | FI | Peugeot 405 SRi |
| XU9 JA/K | 130 PS (128 hp/95 kW) | FI | Citroën ZX Volcane Peugeot 205 1.9 GTi Peugeot 309 1.9 GTi |
| XU9 JA/Z | 122 PS (120 hp/89 kW) | FI catalyst | Peugeot 205 1.9 GTi with Cat Peugeot 309 1.9 GTi with Cat |
| XU9 J4 / D6C/L (Mi16) | 160 PS (158 hp/116 kW) | FI 16-valve DOHC | Citroën BX 1.9 16V Peugeot 405 Mi16 Peugeot 309 GTI-16 |
| XU9 J4/Z / DFW (Mi16) | 148 PS (145 hp/108 kW) | FI 16-valve DOHC catalyst | Citroën BX 1.9 16V with Cat Peugeot 405 Mi16 with Cat Peugeot 309 GTI-16 with Cat |
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