Audi A7 4K
Weaknesses, engine ratings and buying advice
630–640 PS
4.0L TFSI V8 BiTurbo Benzin
RS7 C8 — wide-body Sportback with 600 hp
Legendary!230–265 PS
2.0L TFSI Benzin
7 weaknesses
Good Choice231 PS
3.0L TDI V6 Diesel
6 weaknesses
Stay Away!Generations
Engine Overview
The Audi A7 4K is available with 8 engine variants — from 230 to 640 hp. 1 variants had engine changes — the model year is crucial.
The Audi 2.0L TFSI (Benziner Mild-Hybrid, 265 PS) has the DMTA (2.0L TFSI) — rated: "Good Choice", 7 known weaknesses.
The Audi 3.0L TFSI V6 (Benziner Mild-Hybrid, 333–340 PS) has the DLZA (3.0L TFSI V6) — rated: "Be Careful", 7 known weaknesses.
The Audi RS7 (Benziner Mild-Hybrid, 600 PS) has the DCSA (4.0L TFSI V8 BiTurbo) — rated: "Be Careful", 10 known weaknesses.
The Audi RS7 Performance (Benziner Mild-Hybrid, 630 PS) has the DJTB (4.0L TFSI V8 BiTurbo) — rated: "Be Careful", 10 known weaknesses.
The Audi S7 (Benziner Mild-Hybrid, 450 PS) has the DCTB (2.9L TFSI V6 BiTurbo) — rated: "Be Careful", 5 known weaknesses.
The Audi 55 TFSI e (Benziner Plug-in-Hybrid, 367 PS) has the DRYA (2.0L TFSI e) — rated: "Be Careful", 9 known weaknesses.
The Audi 3.0L TDI V6 (Diesel Mild-Hybrid, 231–286 PS) comes with 2 different engines: CZVC (2018–2024, Stay Away!) und DTHA (2018–2024, Be Careful). Pay attention to the model year for the 3.0L TDI V6!
The Audi S7 (Diesel Mild-Hybrid, 344 PS) has the DAUB (3.0L TDI V6) — rated: "Stay Away!", 5 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| MMI System Crashes and Electronics Faults The complex MMI system crashes or displays spurious warnings. Incorrect lighting system errors and driver assistance faults are known. Symptoms: Touchscreen freezes, spurious error messages, driver assistance switches off unexpectedly from 30,000 km | Medium | |
| 12V On-Board Battery Weakness The elaborate electrical system with numerous driver assistance systems puts heavy demands on the 12V battery. Early failure especially on short-run use. Symptoms: Poor cold-start behaviour, electrical system fault warning, electrical components failing from 60,000 km | Low |
Top Reported Issues
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Known Problems and Issues
A total of 69 weaknesses have been documented for the Audi A7 4K (2018–2024) — 64 engine-related and 5 vehicle-related. 2 problem engines: CZVC (3.0L TDI V6), DAUB (3.0L TDI V6). Typical issues affect Electronics, Other, Suspension. Considered reliable: DMTA (2.0L TFSI).
A7 (DLZA, 2018–2024) — Be Careful: Water Pump Internal Failure with Coolant in Vacuum System, Rocker Arm Roller Failure — Early Production, 48V Mild Hybrid Belt Starter-Generator Failure. Power: 333–340 PS.
A7 (DCSA, 2019–2024) — Be Careful: Turbo Oil Strainer Clogged — Bearing Starvation, Timing Chain Elongated — Camshaft Synchronisation, Turbo Oil Drain Lines Coked — Shaft Seal Failure. Power: 600 PS.
A7 (DCTB, 2019–2024) — Be Careful: Rocker Arm Roller Bearing Failure — Engine Damage, Upper Chain Tensioners Defective — Rattling, High-Pressure Pump Defective. Power: 450 PS.
A7 (DJTB, 2023–2024) — Be Careful: Turbocharger Bearings — Thermal Stress in V-Position, Turbocharger Oil Supply — Strainer and Drain Lines, 48V Electrical System and Mild Hybrid Components Fault-Prone. Power: 630 PS.
A7 (DRYA, 2021–2025) — Be Careful: Recall 93AD — high-voltage battery overheating, Hybrid gearbox problems S-Tronic, Timing chain stretch EA888 evo4. Power: 265 PS.
A7 (CZVC, 2018–2024) — Stay Away!: Camshaft fracture — SQ5 / A6 272 hp, Timing chain elongation — V6 TDI 272 hp, High-pressure pump failure — system contamination. Power: 231 PS.
A7 (DTHA, 2018–2024) — Be Careful: Timing chain rattles on cold start, Camshaft fracture — material defect, AdBlue system: pump and injector failure. Power: 286 PS.
A7 (DAUB, 2019–2024) — Stay Away!: Camshaft fracture from material defect, Timing chain elongation — catastrophic engine damage possible, Soot deposits on injectors. Power: 344–349 PS.
What to watch out for with the Audi A7? 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