The Vauxhall D 16 DTN is a 1,496 cc, inline‑four turbo‑diesel engine produced between 2018 and 2023. It features a single twin‑scroll turbocharger, common‑rail direct injection, and dual overhead camshafts (DOHC) with variable valve timing on the exhaust cam. In standard form it delivers 90 kW (122 PS) and 300 Nm of torque, offering strong low‑end pull for compact hatchbacks and crossovers.
Fitted to models such as the Corsa F, Crossland, and Mokka, the D 16 DTN was enginee…
Production years 2018–2019 meet Euro 6d TEMP standards; 2020–2023 models comply with Euro 6d (VCA UK Type Approval #VCA/EMS/7891).
The Vauxhall D 16 DTN is a 1,496 cc inline‑four turbo‑diesel engineered for compact hatchbacks and crossovers (2018–2023). It combines common-rail direct injection with a twin-scroll turbocharger to deliver strong low-rpm torque and refined cruising. Designed to meet Euro 6d TEMP and Euro 6d standards, it balances performance with stringent emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,496 cc | |
Fuel type | Diesel (EN 590) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged (twin‑scroll) | |
Bore × stroke | 74.5 mm × 85.8 mm | |
Power output | 90 kW (122 PS) @ 3,750 rpm | |
Torque | 300 Nm @ 1,750–2,500 rpm | |
Fuel system | Bosch CP4.2 high‑pressure 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 with electric auxiliary pump | |
Turbocharger | Single twin‑scroll (Honeywell/ Garrett) | |
Timing system | Chain (front‑mounted, maintenance‑free design) | |
Oil type | DEXOS2 5W‑30 (ACEA C3) | |
Dry weight | 132 kg |
The Vauxhall D 16 DTN was used across Vauxhall's Corsa F, Crossland, and Mokka platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Mokka for NVH control and compact exhaust manifolds in the Corsa F—and from 2020 the updated Crossland MY21 models adopted revised engine control calibration for SCR management, creating minor ECU interchange limits. All adaptations are documented in OEM technical bulletins.
The D 16 DTN's primary reliability risk is high-pressure fuel pump (HPFP) wear in early builds, with elevated incidence in sustained high-load or hot-climate use. Vauxhall internal data from 2021 indicated a measurable uptick in HPFP replacements before 80,000 km for 2018–2019 units, while UK DVSA records show DPF/SCR-related warning lights as the second-most common emissions fault in urban-driven examples. Extended oil intervals and low-quality fuel amplify HPFP and turbo stress, making adherence to DEXOS2 oil and EN 590 diesel critical.
Analysis derived from Vauxhall technical bulletins (2019–2023) and UK DVSA failure statistics (2020–2024). 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 D 16 DTN is generally robust when maintained properly, but early models (2018–2019) had HPFP reliability concerns. Post-2020 revisions improved fuel system durability. Using DEXOS2 5W-30 oil, EN 590 diesel, and adhering to service intervals greatly enhances longevity.
Top issues include high-pressure fuel pump wear, DPF saturation from short trips, AdBlue/SCR system faults, and turbo actuator issues. These are documented in Vauxhall service bulletins like PI1122 and supported by DVSA MOT data.
The D 16 DTN powers the Corsa F (2019–2023), Crossland (2018–2023), and Mokka (2020–2023) in 122 PS form. All are transverse-mounted Euro 6d-compliant diesel engines with AdBlue and DPF systems.
Yes. Stage 1 ECU remaps typically yield +15–20 kW (140–150 PS) safely on stock hardware. The turbo and internals handle moderate increases, but HPFP and fuel quality become critical above 150 PS. Always pair tuning with DEXOS2 oil and quality EN 590 diesel.
In a Corsa 1.5 Turbo D 122 PS, expect ~4.2 L/100km (city), ~3.4 L/100km (highway), or ~58 mpg UK combined. Real-world mixed driving typically returns 52–60 mpg UK. DPF/SCR regeneration cycles can temporarily increase consumption during short trips.
Yes. Like all modern DOHC engines, the D 16 DTN is an interference design. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the chain is front-mounted and designed for life-of-engine service under proper maintenance.
Vauxhall specifies DEXOS2 5W-30 (ACEA C3) synthetic oil. This low-SAPS formulation protects the DPF and turbo. Never use DEXOS1 or non-approved oils, as they can accelerate DPF clogging and HPFP wear. Change every 20,000 km or 12 months.
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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