The Vauxhall M9T 876 is a 1,598 cc, inline‑four turbocharged diesel engine produced between 2016 and 2021. It features a DOHC 16‑valve layout, common‑rail direct injection, and a fixed‑geometry turbocharger, delivering 88 kW (120 PS) and 260 Nm of torque. Exhaust gas recirculation (EGR) and a diesel particulate filter (DPF) enable urban drivability while meeting stringent emissions targets.
Fitted to models such as the Corsa E and Crossland—including the 1.6 CDTI var…
Production years 2016–2021 meet Euro 6b standards across all markets (VCA UK Type Approval #VCA/EMS/8321).
The Vauxhall M9T 876 is a 1,598 cc inline‑four turbocharged diesel engineered for subcompact and compact models (2016–2021). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver adequate low‑rpm torque and high fuel efficiency. Designed to meet Euro 6b emissions standards, it balances urban economy with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,598 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 76.0 mm × 88.0 mm | |
Power output | 88 kW (120 PS) @ 4,000 rpm | |
Torque | 260 Nm @ 1,500–2,500 rpm | |
Fuel system | Bosch CP3.4 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 6b | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Fixed‑geometry turbo (Mitsubishi TD025) | |
Timing system | Chain (front‑mounted, maintenance‑free design) | |
Oil type | GM dexos2 (SAE 5W‑30) | |
Dry weight | 128 kg |
The Vauxhall M9T 876 was used across Vauxhall's Corsa E and Crossland platforms with transverse mounting under licence from Renault. This engine received platform-specific adaptations—revised engine mounts in the Crossland for NVH refinement and compact exhaust manifolds in the Corsa E—and from 2019 the Corsa LCI adopted updated camshaft hardware, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.
The M9T 876's primary reliability risk is camshaft HPFP drive lobe wear in early builds, with elevated incidence in vehicles using non‑dexos2 oil or extended service intervals. Vauxhall internal data from 2020 indicated a measurable increase in camshaft‑related warranty claims before 80,000 km, while UK DVSA records show no significant DPF‑related MOT failures linked to this engine. Oil quality and change discipline make camshaft longevity critical.
Analysis derived from Vauxhall technical bulletins (2016–2020) and UK DVSA failure statistics (2018–2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The M9T 876 offers good fuel economy and adequate torque for city use, but early models (2016–2018) had camshaft HPFP drive lobe wear concerns. Later revisions (post-2019) improved camshaft durability. With regular servicing and GM dexos2 oil, well-maintained examples can exceed 120,000 km without major issues.
The most frequent issues are camshaft HPFP drive lobe wear, DPF clogging from short trips, EGR valve carbon buildup, and oil leaks from the cam cover. These are documented in Vauxhall service bulletins, particularly SIB 12 069.
This 1.6L turbo diesel (Renault-sourced) was used in the Corsa E (2016–2019) and Crossland (2017–2021). All variants are badged '1.6 CDTI' and comply with Euro 6b emissions standards from launch.
Limited tuning potential due to low-output calibration and emissions constraints. Minor ECU remaps may yield +5–8 kW, but aggressive tuning risks DPF and HPFP failure. Not commonly tuned in practice.
Excellent for a diesel. In a Corsa 1.6 CDTI, typical consumption is ~4.9 L/100km (city) and ~3.7 L/100km (highway), or about 64 mpg UK combined. Real-world mixed driving usually returns 58–66 mpg (UK), depending on driving style.
Yes. The M9T 876 is an interference engine. If the timing chain fails (though rare due to robust design), piston-to-valve contact can cause catastrophic damage. However, the chain is designed as maintenance-free and rarely fails if oil is changed regularly.
Vauxhall specifies GM dexos2 (SAE 5W-30) synthetic oil. Always use this exact specification to ensure camshaft and turbo longevity, and change every 15,000 km or 12 months—whichever comes first.
Comprehensive technical documentation and regulatory references
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VAUXHALL Official Site
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
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.
GOV.UK: Vehicle Approval
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