Audi RS5 8T
Weaknesses, engine ratings and buying advice
450 PS
4.2L FSI V8 Benzin
RS5 Coupé — NA V8 in the best-looking B8 body
Legendary!354 PS
4.2L FSI V8 Benzin
12 weaknesses
Stay Away!Body Variants
The Audi RS5 8T is available as Coupé and Schrägheck and Cabrio — choose your body type for specific insurance data:
Generations
Engine Overview
The Audi RS5 8T is available with one engine variant at 333 hp.
The Audi RS5 (Benziner, 450 PS) has the CFSA (4.2L FSI V8) — rated: "Stay Away!", 9 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| S-tronic DL501 mechatronic / clutch The 7-speed S-tronic DL501 is prone to judder when pulling away and when shifting, especially under load or at low temperatures. The cause is usually a worn dual-clutch pack or a faulty mechatronic valve block. Symptoms: Judder when pulling away (1st to 2nd gear), hesitant R-to-D shift, shift jolt at low speeds. from 90,000 km | High | |
| S tronic mechatronic unit defective The mechatronic unit of the 7-speed S tronic is a known weak point. A fault message indicating a gearbox problem points to the mechatronic in 99% of cases. Repair requires gearbox removal. Symptoms: Gearbox fault message, harsh shifting in S mode, flashing selector position indicator from 80,000 km | High | |
| Manual gearbox V8 clutch wears prematurely The S5 4.2 V8 with manual gearbox has a heavy clutch that wears prematurely under spirited use. The high torque overloads the clutch plate. Symptoms: Clutch heavy to operate, biting point migrates lower, slipping under high load or when warm. from 80,000 km | High | |
| Sport differential oil change forgotten The RS5 8T has two separate oil circuits at the gearbox; the drive axle circuit requires an oil change every 30,000 km. Even Audi dealers are often unaware of this. Neglect causes damage. Symptoms: Noises from the drive axle, juddering power transfer, elevated operating temperature from 30,000 km | Low |
Top Reported Issues
Top Reported Issues
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Known Problems and Issues
A total of 63 weaknesses have been documented for the Audi RS5 8T (2010–2017) — 44 engine-related and 19 vehicle-related. 2 problem engines: CFSA (4.2L FSI V8), CGKD (4.2L FSI V8). Typical issues affect Gearbox, Suspension, Other, Body.
What to watch out for with the Audi RS5? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Audi RS5 8T have? +
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Last updated: February 2026 · All information without guarantee