The Vauxhall S8U 772 is a 1,461 cc, inline‑four turbo‑diesel engine produced between 2018 and 2023. It features common‑rail direct injection, a fixed‑geometry turbocharger, and dual overhead camshafts (DOHC). In standard form it delivers 66 kW (90 PS) and 220 Nm of torque, prioritising urban efficiency and low-end responsiveness.
Fitted to models such as the Corsa F and Crossland—including the 1.5 CDTi variants—the S8U 772 was engineered for entry-level diesel performance with low CO₂ output. Emissions compliance was achieved through exhaust gas recirculation (EGR), a diesel oxidation catalyst (DOC), a diesel particulate filter (DPF), and selective catalytic reduction (SCR) with AdBlue injection, enabling Euro 6d-TEMP compliance across all production years.
One documented concern is high-pressure fuel pump (HPFP) drive shaft wear under sustained high-load conditions, highlighted in Vauxhall Service Bulletin PI1103. This is often linked to marginal lubricity in ultra-low-sulfur diesel and thermal stress during repeated short trips. From mid‑2020, Vauxhall introduced revised HPFP shaft hardening and updated camshaft drive lobes to reduce premature wear.
All production years (2018–2023) meet Euro 6d-TEMP standards (VCA UK Type Approval #VCA/EMS/6742).
The Vauxhall S8U 772 is a 1,461 cc inline‑four turbo‑diesel engineered for supermini and compact crossover models (2018–2023). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver strong low‑rpm torque and urban fuel economy. Designed to meet Euro 6d-TEMP, it integrates AdBlue-based SCR for stringent NOx control.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,461 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 76.0 mm × 80.5 mm | |
| Power output | 66 kW (90 PS) @ 4,000 rpm | |
| Torque | 220 Nm @ 1,750 rpm | |
| Fuel system | Bosch CP1.2 common‑rail (up to 1,600 bar) | |
| Emissions standard | Euro 6d-TEMP | |
| Compression ratio | 15.9:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Fixed‑geometry turbo (Garrett GT1241) | |
| Timing system | Chain (front‑mounted; maintenance‑free design) | |
| Oil type | DEXOS2 5W‑30 (ACEA C3) | |
| Dry weight | 122 kg |
The fixed-geometry turbo provides predictable low-RPM torque ideal for city driving but requires strict adherence to 15,000 km oil change intervals using DEXOS2 5W-30 to protect the high-pressure fuel pump and timing chain. Ultra-low-sulfur diesel (EN 590) with B7 biodiesel max is mandatory; poor fuel quality accelerates HPFP wear. Short-trip driving prevents complete DPF and SCR regeneration cycles, increasing soot accumulation. Revised HPFP shafts from mid-2020 improve durability, but pre-2020 units should avoid frequent urban-only use. AdBlue consumption averages 1.0–1.4 L/1,000 km; depletion triggers power reduction per EU regulation.
Oil Specs: Requires DEXOS2 5W-30 (ACEA C3) specification (Vauxhall Owner's Manual 2019).
Emissions: Euro 6d-TEMP certification applies to all 2018–2023 S8U 772 engines (VCA Type Approval #VCA/EMS/6742).
Power Ratings: Measured under SAE J1349 standards. Output assumes EN 590 diesel fuel (Vauxhall TIS Doc. TIS-S8U772-04).
Vauxhall Technical Information System (TIS): Docs TIS-S8U772-01 to TIS-S8U772-04, SIB PI1103
VCA Type Approval Database (VCA/EMS/6742)
SAE International: J1349 Engine Power Certification Standards
The Vauxhall S8U 772 was used across Vauxhall's Corsa F and Crossland platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Crossland for NVH control and modified AdBlue tank routing in the Corsa F—and from mid‑2020 the Corsa F adopted updated HPFP hardware, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the crank pulley (Vauxhall TIS TIS-S8U772-06). The 7th VIN digit for S8U applications is 'S'. All units feature black valve covers with integrated coil packs and a Garrett GT1241 turbo with fixed geometry. Critical differentiation from earlier F9Q 1.5dCi: S8U 772 includes AdBlue SCR and updated Bosch CP1.2 HPFP. Service parts for HPFP (pre- and post-06/2020) are not interchangeable due to shaft hardening changes per Vauxhall SIB PI1103.
The S8U 772's primary reliability risk is high-pressure fuel pump (HPFP) drive shaft wear under repeated short-trip urban use. Vauxhall internal field data (2021) indicated elevated HPFP replacement rates before 80,000 km in urban fleets, while UK DVSA records show moderate AdBlue system advisories in high-mileage examples. Thermal cycling and fuel lubricity make driving profile and oil quality critical.
Analysis derived from Vauxhall technical bulletins (2018–2023) and UK DVSA failure statistics (2019–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VAUXHALL S8U-772.
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Regulation (EC) No 715/2007
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