The Audi CLAB is a 1,984 cc, inline — four turbocharged petrol engine produced between 2017 and 2021. It belongs to the Volkswagen Group's EA888 engine family (Gen 3B), featuring direct fuel injection (TSI), variable valve timing (VVT), and dual overhead camshafts (DOHC). In standard tune, it produces 140 kW (190 PS) and 320 Nm of torque, delivering responsive performance and strong mid — range driveability.
Fitted to models including the 8V A3, 8S S3, and 8U Q3, the CLAB was…
Production years 2017–2021 meet Euro 6c standards (VCA UK Type Approval #VCA/EMS/6793).
The Audi CLAB is a 1,984 cc inline-four turbo-petrol engine developed for transverse-platform applications (2017–2021). It combines turbocharging with dual injection (direct + port) to deliver smooth power delivery and strong mid-range torque. Designed to meet Euro 6c emissions standards, it balances performance with improved fuel efficiency and reduced particulate emissions.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,984 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 82.5 mm × 92.8 mm | |
Power output | 140 kW (190 PS) @ 4,200–6,000 rpm | |
Torque | 320 Nm @ 1,450–4,200 rpm | |
Fuel system | TSI: Direct + port injection (Bosch HDEV5) | |
Emissions standard | Euro 6c | |
Compression ratio | 9.6:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single-scroll turbo (Honeywell GT1749V) | |
Timing system | Chain-driven (double-row, front-mounted) | |
Oil type | Audi Longlife 04 (SAE 5W-30) | |
Dry weight | 144 kg |
The Audi CLAB was used across Audi's 8V/8U platforms with transverse mounting and shared with Volkswagen and SEAT under Group platform strategy. This engine received platform-specific calibrations-tuned intake manifolds in the S3 and revised cooling in the Q3-and from 2019 the facelifted A3 Sportback adopted revised emissions mapping, creating minor software incompatibilities. All adaptations are documented in OEM technical bulletins.
The CLAB's primary reliability risk is high-pressure fuel pump cam wear on early builds, with elevated incidence in city driving with frequent cold starts. Internal Audi reports from 2018 indicated a significant number of pre-2018 engines required HPFP replacement before 100,000 km, while UK DVSA records show increased misfire-related MOT failures in urban areas. Short trips and delayed oil changes accelerate wear, making oil quality and interval adherence critical.
Analysis derived from Audi technical bulletins (2017-2020) and UK DVSA failure statistics (2018-2022). 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 CLAB delivers responsive performance and good efficiency, but early models (2017–2018) had reliability concerns, particularly HPFP cam wear. Later revisions (post-2019) improved pump durability, so well-maintained examples can be robust. Regular servicing and using high-quality oil (5W-30 Audi Longlife 04) significantly enhance longevity.
The most common issues are high-pressure fuel pump cam wear, turbo wastegate sticking, intake carbon buildup, and coolant leaks from the thermostat housing. These are documented in Audi service bulletins and supported by DVSA failure data. Preventative maintenance is key to avoiding major repairs.
The CLAB 2.0 TFSI was used in the Audi A3 (8V), S3 (8V), and Q3 (8U) between 2017 and 2021. It was also shared with Volkswagen (Golf 7.5 2.0 TSI) under the VW Group platform strategy. All variants meet Euro 6c emissions standards.
Yes. The CLAB responds well to ECU remapping, with stage 1 tunes typically adding +40–50 kW safely. The stock turbo and internals handle increased boost well. Supporting mods like intercooler and exhaust upgrades allow further gains. Tuning should use premium fuel (RON 98) to prevent knock.
In real-world driving, the CLAB achieves approximately 7.8 L/100 km (city), 5.9 L/100 km (highway), or about 36–42 mpg UK combined. The A3 2.0 TFSI typically returns better economy than the Q3 due to lower weight. Expect 35–45 mpg (UK) depending on driving style and conditions.
Yes. The CLAB is an interference engine. If the timing chain fails or jumps, the pistons can strike the open valves, causing catastrophic engine damage. Chain maintenance is critical—any unusual noise from the front of the engine should be investigated immediately.
Audi specifies 5W-30 synthetic oil meeting Audi Longlife 04 specification. Use only VW 502 00/505 00-compliant oil and change it every 15,000 km or annually to ensure HPFP lubrication and minimize carbon buildup. Extended intervals increase wear risk.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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