Audi Q7 4M
Weaknesses, engine ratings and buying advice
507 PS
4.0L TFSI V8 BiTurbo Benzin
V8 diesel with e-supercharger — technically unique, emotionally divisive
Legendary!211–218 PS
3.0L TDI V6 Diesel
6 weaknesses
Stay Away!Generations
Engine Overview
The Audi Q7 4M is available with 9 engine variants — from 211 to 507 hp. 2 variants had engine changes — the model year is crucial.
The Audi 3.0L TDI V6 (Diesel, 211–245 PS) comes with 2 different engines: CREC (2015–2019, Stay Away!) und CZZA (2015–2018, Stay Away!). Pay attention to the model year for the 3.0L TDI V6!
The Audi 45 TDI (Diesel, 245 PS) has the CVMD (3.0L TDI V6) — rated: "Stay Away!", 5 known weaknesses.
The Audi SQ7 (Diesel, 435 PS) has the CZAC (4.0L TDI V8 BiTurbo) — rated: "Be Careful", 5 known weaknesses.
The Audi 3.0L TFSI V6 (Benziner, 333–340 PS) has the CREA (3.0L TFSI V6) — rated: "Be Careful", 7 known weaknesses.
The Audi SQ7 (Benziner Mild-Hybrid, 507 PS) has the DCU (4.0L TFSI V8 BiTurbo) — rated: "Be Careful", 10 known weaknesses.
The Audi 55 TFSI e (Benziner Plug-in-Hybrid, 381 PS) has the DCBE (3.0L TFSI e V6) — rated: "Be Careful", 9 known weaknesses.
The Audi 60 TFSI e (Benziner Plug-in-Hybrid, 462–490 PS) comes with 2 different engines: DCBE (2019–2024, Be Careful) und DCBE (2024–2026, Be Careful). Pay attention to the model year for the 60 TFSI e!
The Audi 3.0L TDI V6 (Diesel Mild-Hybrid, 286 PS) has the DTHA (3.0L TDI V6) — rated: "Be Careful", 5 known weaknesses.
The Audi 50 TDI (Diesel Mild-Hybrid, 286 PS) has the DHXA (3.0L TDI V6) — rated: "Be Careful", 5 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Air Suspension Compressor and Air Bags Failed Standard air suspension shows frequent compressor and air bag failures from 80,000–120,000 km. Leaking bags make the compressor run continuously until it burns out. Symptoms: Vehicle sitting low on one side, audible hissing during level adjustment, air suspension warning, compressor runs continuously from 90,000 km | High |
Top Reported Issues
Alternatives
Volvo EX90 I
Großer SUV (2023–2026)
BMW XM G09
Großer SUV (2022–2026)
Land Rover Range Rover Sport L461
Großer SUV (2022–2026)
BMW iX I20
Großer SUV (2021–2026)
Land Rover Range Rover L460
Großer SUV (2021–2026)
Toyota Highlander XU70
Großer SUV (2021–2025)
Known Problems and Issues
A total of 62 weaknesses have been documented for the Audi Q7 4M (2015–2026) — 57 engine-related and 5 vehicle-related. 3 problem engines: CREC (3.0L TDI V6), CZZA (3.0L TDI V6), CVMD (3.0L TDI V6). Typical issues affect Suspension, Other, Brakes, Electronics.
Q7 (CREC, 2015–2019) — Stay Away!: Low Oil Pressure from Variable Pump and Fuel Ingress, Camshaft Fracture (Material Defect EA897), DPF Problems from Frequent Regeneration and Fuel Ingress. Power: 245 PS.
Q7 (CZZA, 2015–2018) — Stay Away!: Timing chain wear, Injector needle seat wear and oil dilution, Low oil pressure from variable oil pump. Power: 211–218 PS.
Q7 (CVMD, 2015–2019) — Stay Away!: Camshaft material defect (recall risk), Timing chain tensioner and chain wear, Intake tract and EGR heavily coked. Power: 245 PS.
Q7 (CZAC, 2016–2024) — Be Careful: Fuel dilution of engine oil, Electric compressor (EAV) failure, Intake manifold coking. Power: 435 PS.
Q7 (CREA, 2015–2019) — Be Careful: Water Pump Internal Failure with Coolant Migration, Rocker Arm Roller Failure — Early Production, Coolant Leaks from Seals. Power: 333–340 PS.
Q7 (DCU, 2020–2024) — Be Careful: Cylinder Bore Cracks (Recall), Turbocharger Lubrication Problems, 48V Belt Starter Generator Failure. Power: 507 PS.
Q7 (DCBE, 2019–2024) — Be Careful: Water Pump Failure EA839 (Critical), Recall 93QQ — High-Voltage Battery Fire Risk, Hybrid Gearbox Failure V6 PHEV. Power: 333–340 PS.
Q7 (DHXA, 2018–2019) — Be Careful: Chain Tensioner and Timing Chain Wear, Injector Wear with Oil Dilution, Oil Mist Damages Brake Booster. Power: 286 PS.
Q7 (DTHA, 2020–2024) — Be Careful: Timing chain rattles on cold start, Camshaft fracture — material defect, AdBlue system: pump and injector failure. Power: 286 PS.
What to watch out for with the Audi Q7? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
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Last updated: February 2026 · All information without guarantee