The CADILLAC 1KR — VE is a 998 cc, inline — three naturally aspirated petrol engine produced between 2012 and 2017. It features DOHC, 12 — valve configuration and Daihatsu's KR — series architecture, delivering 50 kW (68 PS) and 94 Nm of torque. Its compact design and aluminum block construction provide lightweight efficiency and responsive performance in urban applications.
Fitted to the Urban Luxury, the 1KR — VE was engineered for city driving and fuel economy in Cadilla…
All production years 2012–2017 meet OBD-II and Euro 5 emissions standards .
The CADILLAC 1KR-VE is a 998 cc inline-three naturally aspirated petrol engine engineered for urban and compact vehicle applications (2012–2017). It combines aluminum construction with dual overhead camshafts to deliver lightweight efficiency and smooth operation. Designed to meet OBD-II and Euro 5 standards, it balances city driving performance with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 998 cc | |
Fuel type | Petrol | |
Configuration | Inline-3, DOHC, 12-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 72.0 mm × 80.0 mm | |
Power output | 50 kW (68 PS) @ 6,000 rpm | |
Torque | 94 Nm @ 4,400 rpm | |
Fuel system | Sequential port fuel injection (SFI) | |
Emissions standard | OBD-II, Euro 5 | |
Compression ratio | 11.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Single-row timing chain | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 87 kg |
The CADILLAC 1KR-VE was used across CADILLAC's Urban Luxury platform with transverse mounting. This engine received platform-specific adaptations-integrated oil cooler in the Urban Luxury Premium and revised intake manifolds in the Urban Luxury City-and from 2017 the Urban Luxury LCI adopted the I3L variant with updated engine management, creating 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.
The most common questions about engine codes, what they mean, how to find them and how this database works
The 1KR-VE offers efficient performance and solid engineering, but pre-2014 models with original tensioners are prone to wear. Later revisions with improved oil feed significantly improve durability. Regular oil changes, use of correct oil (5W-30 GM dexos1), and prompt attention to rattling noises are essential for reliability.
Key issues include timing chain tensioner wear (especially pre-2014), cooling system failures (thermostat, water pump), camshaft/lifter wear, and oil leaks from valve cover and rear main seal. These are documented in GM service bulletins and require OEM-specified parts for proper repair.
The 1KR-VE was used exclusively in the Urban Luxury (2012–2017). It was replaced by the I3L in 2017 with direct injection and updated engine management. No cross-manufacturer applications are documented for this variant.
Aftermarket ECU tuning is common on the 1KR-VE 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.
In an Urban Luxury, combined consumption is ~5.8 L/100km (49 mpg UK). City driving may see 6–7 L/100km (47–40 mpg), while highway cruising can achieve ~5.0 L/100km (56 mpg). Real-world figures depend on driving style and vehicle condition.
Yes. The 1KR-VE series is an interference engine. If the timing chain fails or jumps, pistons will contact open valves, causing catastrophic internal damage. Chain maintenance and tensioner inspection are critical, especially given the engine's high-RPM operation.
GM specifies 5W-30 synthetic oil meeting dexos1 Gen 1 spec. Change intervals should not exceed 15,000 km. Proper oil ensures adequate protection for camshafts, lifters, and the timing chain, especially under sustained high-RPM use.
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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