The Vauxhall F 12 XHT (EB2ADTS) is a 1,199 cc, inline‑three turbocharged diesel engine produced between 2018 and 2023. It features a dual overhead camshaft (DOHC), 12‑valve architecture with variable valve timing and common‑rail direct injection, delivering 66 kW (90 PS) and 230 Nm of torque. Its compact three‑cylinder layout prioritises urban efficiency while maintaining strong low‑end response.
Fitted exclusively to the Crossland X and later Grandland—includin…
All production years 2018–2023 meet Euro 6d‑TEMP standards .
The Vauxhall F 12 XHT (EB2ADTS) is a 1,199 cc inline‑three turbocharged diesel engine engineered for compact SUVs (2018–2023). It combines common‑rail direct injection with a single turbocharger and variable valve timing to deliver responsive low‑speed torque and reduced urban fuel consumption. Designed to meet Euro 6d‑TEMP emissions standards, it balances sub‑1.3L packaging with diesel efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,199 cc | |
Fuel type | Diesel | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 75.0 mm × 90.4 mm | |
Power output | 66 kW (90 PS) @ 3,750 rpm | |
Torque | 230 Nm @ 1,750 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 6d‑TEMP | |
Compression ratio | 16.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single turbo (Honeywell GT1241V) | |
Timing system | Chain‑driven camshafts | |
Oil type | Vauxhall GM‑LL‑B‑025 (SAE 0W‑30) | |
Dry weight | 98 kg |
The Vauxhall F 12 XHT (EB2ADTS) was used across Vauxhall's Crossland X and Grandland platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Grandland for NVH refinement and updated turbo heat shielding for cabin noise reduction—and from 2020 the facelifted Crossland retained the same engine code but with updated ECU calibrations for RDE compliance, creating minor software interchange limits. 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 F 12 XHT offers excellent urban efficiency but is prone to HPFP cam follower wear in short-trip use. Post-2021 revisions improved pump durability. With regular servicing, correct 0W‑30 low‑SAPS oil, and occasional highway driving to enable DPF regeneration, well-maintained examples can reliably exceed 150,000 km.
Top issues include HPFP cam follower wear, DPF regeneration failure due to urban driving, EGR valve carbon seizure, and timing chain tensioner oiling problems. These are documented in Vauxhall SIB‑18‑041 and routine service advisories. Most are manageable with OEM-recommended updates and driving habit adjustments.
The F 12 XHT (EB2ADTS) powered the Crossland X (2018–2023) and Grandland (2018–2023) in 1.2 Turbo D and 1.2 Diesel trims. It was not used in other Vauxhall lines or licensed to other manufacturers. All applications are Euro 6d‑TEMP–compliant transverse FWD layouts.
Aftermarket ECU tuning is common on the F-12-XHT-EB2ADTS 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.
Excellent for a diesel SUV. In a Crossland X 1.2 Turbo D, expect ~5.2 L/100km (city) and ~3.8 L/100km (highway), or about 62 mpg UK combined. Real-world mixed driving typically yields 55–65 mpg (UK), assuming regular DPF regeneration and conservative driving.
Yes. The F 12 XHT is an interference design. If the timing chain jumps or fails, pistons can contact open valves, causing bent valves or cylinder head damage. Chain tensioner and guide inspection is recommended at 120,000 km.
Vauxhall specifies 0W‑30 synthetic oil meeting GM‑LL‑B‑025 (or ACEA C2/C3 low‑SAPS). Change every 15,000 km or annually. Correct viscosity ensures proper turbo bearing lubrication, timing chain operation, and DPF compatibility.
Comprehensive technical documentation and regulatory references
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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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