The Vauxhall A17DTN is a 1,496 cc, inline‑three turbo‑diesel engine produced between 2018 and 2023. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivered 88 kW (120 PS) with 300 Nm of torque, engineered for responsive urban driving and low fuel consumption.
Fitted to models such as the Corsa F, Crossland, and Grandland, including the 1.5 Turbo D variants, the A17DTN was designe…
Production years 2018–2019 meet Euro 6d TEMP standards; 2020–2023 models comply with Euro 6d depending on market (VCA UK Type Approval #VCA/EMS/8921).
The Vauxhall A17DTN is a 1,496 cc inline‑three turbo‑diesel engineered for subcompact and compact crossovers (2018–2023). It combines Bosch common‑rail injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and class‑leading fuel efficiency. Designed to meet Euro 6d TEMP and Euro 6d emissions standards, it balances urban agility with long‑range economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,496 cc | |
Fuel type | Diesel | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.0 mm × 86.6 mm | |
Power output | 88 kW (120 PS) | |
Torque | 300 Nm @ 1,750–2,250 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 6d TEMP (2018–2019); Euro 6d (2020–2023) | |
Compression ratio | 16.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Honeywell) | |
Timing system | Chain (front‑mounted) | |
Oil type | GM Dexos2 (SAE 0W‑30) | |
Dry weight | 112 kg |
The Vauxhall A17DTN was used across Vauxhall's Corsa F, Crossland, and Grandland platforms with transverse mounting and no external licensing. This engine received platform-specific calibrations—revised idle logic in the Corsa and enhanced NVH tuning in the Grandland—and from 2020 the Euro 6d-compliant variants featured updated injector timing and DPF control strategies, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.
The A17DTN's primary reliability risk is injector carbon fouling in early builds, with elevated incidence in urban short-trip usage. Vauxhall internal quality data from 2021 indicated a measurable rate of injector cleaning or replacement before 60,000 km in pre-2020 units, while UK DVSA MOT records show DPF-related failures increasing after 90,000 km in vehicles with incomplete regeneration cycles. Cold starts and low-load operation accelerate deposit formation, making oil quality and driving pattern critical.
Analysis derived from Vauxhall technical bulletins (2018–2023) and UK DVSA failure statistics (2020–2023). 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 A17DTN offers excellent fuel economy and strong low-end torque, but early models (2018–2020) had injector fouling concerns. Post-2020 revisions with updated ECU logic improved injector durability. With proper maintenance—especially using GM Dexos2 0W‑30 oil and including regular highway driving—these engines can reliably exceed 180,000 km.
Top issues include injector carbon fouling (early builds), DPF regeneration faults from urban driving, EGR valve sticking, and turbo actuator binding. These are documented in Vauxhall service bulletins PI1142 and TIS updates.
The A17DTN powered the Corsa F (2019–2023), Crossland (2018–2023), and Grandland (2018–2023) in 1.5 Turbo D 120 variants. All are transverse-mounted compact applications meeting Euro 6d TEMP or Euro 6d standards depending on year.
Yes. Stage 1 ECU remaps typically yield +10–20 kW safely, as the turbo and internals handle moderate increases. However, aggressive tuning without injector and clutch upgrades risks premature wear, especially on pre-2020 engines with known carbon issues.
Excellent for its class. In a Corsa 1.5 Turbo D 120, expect ~4.1 L/100km (69 mpg UK) combined. Real-world mixed driving typically returns 55–63 mpg UK (4.2–5.1 L/100km), depending on model year and driving style.
Yes. The A17DTN is an interference design. Timing chain failure—though rare—can cause piston-to-valve contact and catastrophic damage. The front-mounted chain is robust with proper oil maintenance.
GM Dexos2-approved 0W‑30 synthetic oil is mandatory. This low-SAPS formulation protects the DPF, turbo, and injectors. Change intervals should not exceed 15,000 km or 12 months, especially with urban use.
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
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
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