The Volvo D 4192 T4 is a 1,969 cc, inline‑four turbo‑diesel engine produced between 2015 and 2019. It features a dual overhead camshaft (DOHC) design with 16 valves and a high — pressure common — rail fuel system. This engine delivered a consistent 190 PS (140 kW) and 400 Nm of torque, engineered for responsive performance and efficiency in Volvo's mid — size models.
Fitted primarily to the second — generation XC90 (T8 Twin Engine variants as the diesel component) and the S90/V…
All production years (2015–2019) meet Euro 6 emissions standards .
The Volvo D 4192 T4 is a 1,969 cc inline‑four turbo‑diesel engineered for premium SUVs and sedans (2015-2019). It combines a high-pressure common-rail fuel system with a single turbocharger to deliver strong, accessible torque and refined operation. Designed to meet Euro 6 standards, it integrates advanced emissions control for regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,969 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged & Intercooled | |
Bore × stroke | 82.0 mm × 93.2 mm | |
Power output | 190 PS (140 kW) | |
Torque | 400 Nm @ 1,750–2,500 rpm | |
Fuel system | Denso HP4 common-rail (up to 2,000 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 15.8:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single turbo (Mitsubishi Heavy Industries) | |
Timing system | Chain-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 165 kg |
The Volvo D 4192 T4 was used across Volvo's SPA platform with transverse mounting. This engine was specifically calibrated for use in the T8 Twin Engine plug-in hybrid variants of the XC90, acting as the internal combustion component. It was also used in conventional diesel variants of the S90 and V90. 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 Volvo technical bulletins (2015-2019) and aggregated owner-reported failure data (2017-2023). 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 D 4192 T4 is generally robust, offering strong performance and good efficiency. Its main concerns are the EGR system and AdBlue components, which are common to modern Euro 6 diesels. With proactive cleaning of the EGR valve, regular AdBlue top-ups, and strict adherence to oil change intervals with the correct 0W-20 C5 oil, these engines can reliably exceed 200,000 km.
The most frequent issues are EGR valve clogging leading to performance loss, AdBlue system faults (clogged injectors, faulty sensors) causing derates, and potential timing chain wear if oil changes are neglected. Turbocharger actuator failure is also a known, though less common, electronic issue.
The D 4192 T4 engine was used in the second-generation Volvo XC90 (2015-2019) as the diesel component in the T8 Twin Engine plug-in hybrid. It was also used in conventional diesel variants of the S90 sedan (2016-2019) and V90 estate (2016-2019), badged as the 'D4'.
Aftermarket ECU tuning is common on the D-4192-T4 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.
Fuel economy is very good for its performance. In an S90 D4, expect around 5.5-6.5 L/100km (43-51 mpg UK) combined. The XC90 T8 will show higher consumption (7-9 L/100km / 31-40 mpg UK) when running on diesel alone, as it is heavier and part of a hybrid system. Real-world figures depend heavily on driving style.
Yes. The D 4192 T4 is an interference engine. If the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing catastrophic internal engine damage. This highlights the importance of maintaining the timing chain system with correct oil and intervals.
Volvo mandates a high-quality 0W-20 synthetic oil meeting the ACEA C5 specification. This low-viscosity, low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is critical for protecting the DPF and SCR/AdBlue emissions systems and ensuring optimal fuel economy and engine longevity.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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
Type-approval guidance and documentation.
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