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Audi · Mid-Size · 2012–2018

Audi S7 4G

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 1 engine variants

Generations

Engine Overview

The Audi S7 4G is available with one engine variant at 420 hp.

S7 · Benziner· 420 PS
2012 2018
Be Careful 10 weaknesses
Show all weaknesses →

The Audi S7 (Benziner, 420 PS) has the CTGA (4.0L TFSI V8 BiTurbo) — rated: "Be Careful", 10 known weaknesses.

Vehicle Weaknesses

WeaknessCost
✖Recall 21H7: turbocharger oil strainer (identical to S6 C7)

Identical issue to the S6 C7: the excessively fine oil strainer in the turbocharger oil feed causes oil starvation. Recall 21H7 covers all vehicles from June 2012 to March 2017 (check code 21H7 with the KBA).

Symptoms: Power loss, turbocharger noise, engine stalling or engine damage
NHTSA Owner Complaints
Average
51 complaints · 2012–2018
Engine
35
Electrical
7
Powertrain
6
Fuel System
4
Collision Avoidance
4

Top Reported Issues

⚠ Engine (35 complaints)
⚠ Electrical (7 complaints)
⚠ Powertrain (6 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 14 weaknesses have been documented for the Audi S7 4G (2012–2018) — 10 engine-related and 4 vehicle-related. Typical issues affect Other, Suspension, Brakes, Gearbox.

What to watch out for with the Audi S7? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Audi S7 4G have? +
The Audi S7 4G has 10 known engine weaknesses and 4 vehicle weaknesses.
What should I look for when buying a used Audi S7 4G? +
faq.watch_a_none
Which engine is recommended? +
Be careful: CTGA (4.0L TFSI V8 BiTurbo). No engine is rated 'Good Choice'. The most fun to drive is the CTGA (4.0L TFSI V8 BiTurbo).
Which Audi S7 4G engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Audi S7 4G — rated: "Fun to Drive!". {description} Same twin-turbo V8 as the S6 C7, but the Sportback design makes the difference. Autocar wrote 'no rival comes close to matching its style advantage'. Functionally identical to the S6, emotionally half a class above — purely because of the roofline.
Is the Audi S7 4G worth buying used? +
The Audi S7 4G requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Audi S7 4G? +
The Audi S7 4G is available with engine variants from 420 to 519 hp. Petrol: CTGA (4.0L TFSI V8 BiTurbo).

Last updated: February 2026 · All information without guarantee