4.0 TFSI V8 TT vs 2.5 TFSI I5

Side-by-side reliability comparison

Higher reliability score
2.5 TFSI I5 BUY 83/100
+15 points over 4.0 TFSI V8 TT
0 / 100
ACCEPTABLE 4.0 TFSI V8 TT Audi
0 / 100
BUY 2.5 TFSI I5 Audi

Specifications

4.0 TFSI V8 TT
2.5 TFSI I5
Brand
Audi
Audi
Verdict
ACCEPTABLE
BUY
Reliability
68
83
Years
2012--present
2009--present
Displacement
3996 cc
2480 cc
Layout
V8
I5
Type
Petrol Turbo
Petrol Turbo
Power
560--630 hp
340--400 hp
Known Issues
0
2
Total Risk Cost
€0--€0
€700--€1,600

Character

4.0 TFSI V8 TT

"Flagship. 600hp. Powers Lamborghini Urus too. Expensive to fix."

2.5 TFSI I5

"Legendary 5-cyl. 9x Engine of the Year. Forged internals. Surprisingly reliable."

Issues Comparison

4.0 TFSI V8 TT 0

No documented issues.

2.5 TFSI I5 2

○ MINOR
Wastegate rattle (2015-2018 production) €300--€800 20,000 km--80,000 km
○ MINOR
Carbon buildup (DI engine) €400--€800 60,000 km--120,000 km

Models

4.0 TFSI V8 TT 14

A8 D4 2012--2017 A7 4G 2012--2018 A6 C7 2012--2018 A8 D4 2012--2017 A7 4G 2013--2018 A6 C7 2013--2018 Formentor KM 2021--present Q3 F3 2020--present TT 8S 2016--2024 A3 8V 2017--2020 A6 C8 2020--present A7 4K 2020--present A8 D5 2020--present Q8 4M 2020--present

2.5 TFSI I5 5

Ducato 250/290 2011--present TT 8J 2009--2014 Q3 8U 2013--2018 A3 8Y 2022--present TT RS 2.5 TFSI 8S 2016--2023 Coupe
Full 4.0 TFSI V8 TT Report Full 2.5 TFSI I5 Report