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Audi · Sports Car · 2006–2015

Audi R8 42

Weaknesses, engine ratings and buying advice

2.2 / 5.0 · Based on 5 engine variants
Most Fun Engine

435–570 PS

5.2L V10 FSI Benzin

The original Lamborghini V10 in an Audi body

Legendary!
Problem Engine

435–570 PS

5.2L V10 FSI Benzin

11 weaknesses

Stay Away!

Body Variants

The Audi R8 42 is available as Coupé and Cabrio — choose your body type for specific insurance data:

Generations


Engine Overview

The Audi R8 42 is available with 4 engine variants — from 420 to 570 hp. 3 variants had engine changes — the model year is crucial.

4.2L FSI V8 · Benziner· 420 PS
2006 2015
Be Careful 8 weaknesses
5.2L V10 FSI · Benziner· 525–560 PS Engine Change
2006 2015
Stay Away! 11 weaknesses
2010 2012
Stay Away! 11 weaknesses
R8 4.2 · Benziner· 430 PS Engine Change
2006 2012
Be Careful 8 weaknesses
2012 2015
Be Careful 8 weaknesses
R8 V10 plus · Benziner· 549–570 PS Engine Change
2012 2015
Stay Away! 11 weaknesses
2012 2015
Stay Away! 11 weaknesses

The Audi 4.2L FSI V8 (Benziner, 420 PS) has the BYH (4.2L FSI V8) — rated: "Be Careful", 8 known weaknesses.

The Audi 5.2L V10 FSI (Benziner, 525–560 PS) comes with 2 different engines: BUJ (2006–2015, Stay Away!) und BUJ (2010–2012, Stay Away!). Pay attention to the model year for the 5.2L V10 FSI!

The Audi R8 4.2 (Benziner, 430 PS) comes with 2 different engines: CAUA (2006–2012, Be Careful) und CNDA (2012–2015, Be Careful). Pay attention to the model year for the R8 4.2!

The Audi R8 V10 plus (Benziner, 549–570 PS) comes with 2 different engines: BUJ (2012–2015, Stay Away!) und CTPA (2012–2015, Stay Away!). Pay attention to the model year for the R8 V10 plus!

Vehicle Weaknesses

WeaknessCost
!Magnetic Ride Dampers — Premature Failure

Magnetic Ride dampers start leaking oil from as early as 40,000–70,000 km. A single damper costs around €900 plus VAT; a full set of four can reach €5,300.

Symptoms: Car bottoms out on bumps, harsh or uneven ride, 'Damper Control Fault' warning, oil weeping from damper body
from 55,000 km
High
NHTSA Owner Complaints
Above Average
11 complaints · 2006–2015
Suspension
6
Body Structure
3
Other
1
Engine
1

Top Reported Issues

Suspension (6 complaints)
Body Structure (3 complaints)
Other (1 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 56 weaknesses have been documented for the Audi R8 42 (2006–2015) — 46 engine-related and 10 vehicle-related. 2 problem engines: BUJ (5.2L V10 FSI), CTPA (5.2L V10 FSI). Typical issues affect Suspension, Body, Gearbox, Brakes.

R8 (BUJ, 2006–2015) — Stay Away!: Chain tensioner pressure loss (4 timing chains), R-Tronic hydraulic actuator / hydraulic accumulator defective, Coolant expansion tank cracks — fire risk (Recall 2019). Power: 525 PS.

R8 (BYH, 2006–2015) — Be Careful: Timing chain on gearbox side — most expensive repair on the R8, R-Tronic (to 2009): shift forks — known weakness, Camshaft adjusters — sensitive to oil quality. Power: 420 PS.

R8 (CAUA, 2006–2012) — Be Careful: Timing chain on gearbox side — replacement requires engine removal, R-Tronic gearbox (to 2009): shift forks wear, Camshaft adjusters — wear as on all 4.2 FSI. Power: 430 PS.

R8 (BUJ, 2010–2012) — Stay Away!: Chain tensioner pressure loss (4 timing chains), R-Tronic hydraulic actuator / hydraulic accumulator defective, Coolant expansion tank cracks — fire risk (Recall 2019). Power: 560 PS.

R8 (BUJ, 2012–2015) — Stay Away!: Chain tensioner pressure loss (4 timing chains), R-Tronic hydraulic actuator / hydraulic accumulator defective, Coolant expansion tank cracks — fire risk (Recall 2019). Power: 570 PS.

R8 (CNDA, 2012–2015) — Be Careful: Timing Chain — Gearbox-Side Position Requires Engine Removal, Camshaft Adjusters — Oil-Sensitive, Intake Valve Carbon Buildup — FSI-Typical. Power: 430 PS.

R8 (CTPA, 2012–2015) — Stay Away!: Chain Tensioner Pressure Loss (4 Timing Chains), R-Tronic Hydraulic Actuator / Hydraulic Accumulator Failure, Coolant Expansion Tank Crack — Fire Risk (Recall 2019). Power: 549 PS.

What to watch out for with the Audi R8? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Audi R8 42 have? +
The Audi R8 42 has 46 known engine weaknesses and 10 vehicle weaknesses.
What should I look for when buying a used Audi R8 42? +
faq.watch_a_avoid
Which engine is recommended? +
Be careful: BYH (4.2L FSI V8), CAUA (4.2L V8 FSI), CNDA (4.2L V8 FSI). No engine is rated 'Good Choice'. The most fun to drive is the BUJ (5.2L V10 FSI). Problem engine: BUJ (5.2L V10 FSI) — stay away!
Which Audi R8 42 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Audi R8 42 — rated: "Legendary!". {description} Pure naturally aspirated engine with 8,700 rpm rev orgy. Owners describe raw, analogue sound without electronic filters. The R-Tronic jerks in town, but on a country road it's perfect.
Is the Audi R8 42 worth buying used? +
Caution is advised with the Audi R8 42 — 2 of 5 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Audi R8 42? +
The Audi R8 42 is available with engine variants from 420 to 570 hp. Petrol: BUJ (5.2L V10 FSI), BYH (4.2L FSI V8), CAUA (4.2L V8 FSI), CNDA (4.2L V8 FSI), CTPA (5.2L V10 FSI).

Last updated: February 2026 · All information without guarantee