The MG 1.5T eGT – Petrol (SAIC) is a 1,490 cc, inline‑four turbocharged petrol engine produced since 2017. It features gasoline direct injection, a single — scroll turbocharger, and dual overhead camshafts (DOHC). This powertrain, developed by SAIC Motor, delivers a balance of performance and efficiency, with outputs typically around 124 kW (169 PS) and 250 Nm of torque.
Fitted primarily to the MG ZS and MG HS SUVs, the 1.5T eGT was engineered for responsive urban driving a…
All production years (2017–Present) for vehicles sold in the UK meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/MGZS20).
The MG 1.5T eGT – Petrol (SAIC) is a 1,490 cc inline‑four turbocharged petrol engine engineered for compact SUVs (2017-Present). It combines gasoline direct injection with a single-scroll turbocharger to deliver brisk acceleration and efficient cruising. Designed to meet Euro 6 standards, it balances everyday performance with economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,490 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 75.0 mm × 84.0 mm | |
Power output | 124 kW (169 PS) | |
Torque | 250 Nm @ 1,700–4,400 rpm | |
Fuel system | Gasoline direct injection (Bosch) | |
Emissions standard | Euro 6 | |
Compression ratio | 9.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single-scroll turbo (Honeywell) | |
Timing system | Chain-driven | |
Oil type | SAE 5W‑30 (ACEA C2/C3 specification) | |
Dry weight | Approx. 120 kg |
The MG 1.5T eGT – Petrol (SAIC) was used across MG's compact SUV platforms with transverse mounting. This engine received platform-specific adaptations-unique engine mounts and exhaust routing for the ZS versus the HS-but no major facelift revisions have created significant interchange limits to date. All adaptations are documented in OEM technical bulletins.
The 1.5T eGT's primary maintenance focus is preventing carbon buildup on intake valves, a known characteristic of its direct-injection system. SAIC service schedules recommend proactive cleaning, while UK DVSA data shows no elevated failure rates for core components. Extended oil intervals or use of incorrect oil grades can accelerate wear on the turbocharger and timing chain, making adherence to service specifications critical.
Analysis derived from SAIC technical bulletins (2017-2024) 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 1.5T eGT is generally robust with proper maintenance. Its main long-term consideration is carbon buildup on intake valves, a common issue with direct-injection engines. Regular servicing, using the correct 5W-30 oil, and periodic intake cleaning can ensure good longevity. There are no widespread reports of catastrophic failures like timing chain issues.
The most frequently noted issues are carbon buildup on intake valves, turbocharger actuator faults, and occasional high-pressure fuel pump failures. Coolant leaks from the thermostat housing are also a known, repairable concern. These are addressed in SAIC's technical service bulletins and maintenance schedules.
This engine is the primary petrol powertrain for the MG ZS (2017–Present) and the MG HS (2019–Present), including the HS Plug-in Hybrid where it acts as the internal combustion component. It is not used in MG's fully electric models or the older 3/5/6 series.
Yes, the engine responds well to ECU remapping. Stage 1 tunes can safely increase output to approximately 147 kW (200 PS) and 300 Nm. The stock turbo and internals are capable of handling this increase. More aggressive modifications require upgraded components like a larger intercooler or injectors.
Official WLTP combined figures for the MG ZS are around 6.7 L/100km (42 mpg UK). Real-world driving typically yields 7.5-8.5 L/100km (33-38 mpg UK) in mixed conditions. The MG HS, being larger and heavier, returns slightly less, around 8.0-9.0 L/100km (31-35 mpg UK) in real-world use.
Yes. Like virtually all modern DOHC engines, the 1.5T eGT is an interference design. If the timing chain were to fail or jump, the pistons would collide with the open valves, causing severe internal engine damage. Fortunately, the chain is designed to last the engine's lifetime with proper oil maintenance.
SAIC mandates a fully synthetic 5W-30 engine oil meeting the ACEA C2 or C3 specification. This low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is crucial for protecting the emissions system, including the catalytic converter and particulate filter (if equipped).
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
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
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