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 perfo…
All production years (2018–2023) meet Euro 6d-TEMP standards .
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 | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 122 kg |
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.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The S8U 772 offers good urban efficiency with Euro 6d-TEMP compliance, but early units (2018–mid-2020) had HPFP reliability concerns under short-trip use. Later revisions improved pump durability. With proper maintenance—especially using DEXOS2 5W-30 oil and quality diesel—most engines exceed 180,000 km without major issues.
Top issues include HPFP drive shaft wear, AdBlue dosing valve crystallisation, DPF pressure sensor drift, and glow plug module failure. HPFP and AdBlue problems are addressed in Vauxhall service bulletins PI1103 and TIS-S8U772-08.
The S8U 772 powered the Corsa F (2019–2023) and Crossland (2018–2022) in 1.5 CDTi 90 PS form. It was not used in commercial vehicles or licensed to other manufacturers. All applications are transverse FWD layouts with Euro 6d-TEMP SCR systems.
Aftermarket ECU tuning is common on the S8U-772 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
In a Corsa 1.5 CDTi (90 PS), expect ~4.9 L/100km (city), ~3.6 L/100km (highway), or ~64 mpg UK combined. Real-world mixed driving typically returns 54–59 mpg UK. Economy suffers with short trips due to frequent DPF/SCR regeneration cycles and AdBlue consumption.
Yes. The S8U 772 is an interference engine. If the timing chain fails (rare due to front-mounted design), piston-to-valve contact will cause catastrophic damage. However, the chain is designed for life-of-engine service with proper oil maintenance.
Vauxhall specifies DEXOS2 5W-30 (ACEA C3) synthetic oil. This low-SAPS formulation protects the turbo, HPFP, and emissions systems. Change intervals should not exceed 15,000 km or 12 months, especially with urban driving.
Comprehensive technical documentation and regulatory references
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
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