THE WEEKLY DRIVER

AUTOMOTIVE NEWS, CAR REVIEWS, AND PODCAST

Reliability Database

Audi

Engine Reliability & Known Problems

Based on 9,337 NHTSA complaints. Updated May 2026.

29 Models
174 Engines Rated
53 Generations
9,337 NHTSA Complaints
Engine Ratings Overview
86 recommended 65 caution 23 avoid

Midsize Sedan

5 models
A4/S4
1 generation · 1 engine
2007
1 recommended
A4/S4 Avant
1 generation · 1 engine
2007
1 recommended
A4/S4 Cabriolet
2 generations · 3 engines
20052007
2 recommended 1 caution
A6
4 generations · 22 engines
2000-20042005-20112012-20182019-2025
11 recommended 8 caution 3 avoid
A6/S6
1 generation · 1 engine
2007
1 recommended

Luxury Sedan

5 models
A8L
4 generations · 115 complaints
2004201320142015
Allroad
5 generations · 9 engines
20012002200320042015
1 recommended 5 caution 3 avoid
Audi E-Tron
1 generation · 27 complaints
2022
Audi E-Tron Sportback
1 generation · 27 complaints
2022
e-tron GT
1 generation · 1 engine
2022-2026
1 caution

Compact SUV

4 models
Audi Q3
1 generation · 1 engine
2022
1 caution
Audi Q5
1 generation · 2 engines
2022
1 caution 1 avoid
Audi Q5 Sportback
1 generation · 2 engines
2022
1 caution 1 avoid
Q5
2 generations · 16 engines
2009-20172018-2025
9 recommended 7 caution

Luxury SUV

3 models
Audi Q4 E-Tron
1 generation · 1 engine
2023
1 avoid
Audi Q4 Sportback E-Tron
1 generation · 1 engine
2023
1 avoid
Q6 Sportback E-Tron
1 generation · 1 engine
2025
1 avoid

Midsize SUV

3 models
Audi Q7
1 generation · 2 engines
2023
2 recommended
Q7
2 generations · 16 engines
2007-20152017-2025
10 recommended 6 caution
Q8
1 generation · 4 engines
2019-2025
2 recommended 2 caution

Compact

1 model
A3
2 generations · 12 engines
2006-20132015-2020
7 recommended 3 caution 2 avoid

Compact Sedan

1 model
A4
4 generations · 26 engines
2002-20052006-20082009-20162017-2025
12 recommended 9 caution 5 avoid

Compact Coupe

1 model
A5
2 generations · 12 engines
2008-20162018-2025
5 recommended 5 caution 2 avoid

Midsize Coupe

1 model
A7
2 generations · 10 engines
2012-20182019-2025
7 recommended 2 caution 1 avoid

Full-Size Sedan

1 model
A8
4 generations · 13 engines
2000-20032004-20102011-20182019-2025
8 recommended 5 caution

Midsize EV SUV

1 model
e-tron
1 generation · 1 engine
2019-2023
1 avoid

Subcompact SUV

1 model
Q3
2 generations · 6 engines
2015-20182019-2025
4 recommended 2 caution

Compact EV SUV

1 model
Q4 e-tron
1 generation · 1 engine
2022-2025
1 caution

Sports Car

1 model
TT
2 generations · 9 engines
2000-20062008-2014
3 recommended 5 caution 1 avoid
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