2.5 TFSI I5 vs 3.0 V6 TDI

Side-by-side reliability comparison

Higher reliability score
2.5 TFSI I5 BUY 83/100
+3 points over 3.0 V6 TDI
0 / 100
BUY 2.5 TFSI I5 Audi
0 / 100
BUY 3.0 V6 TDI Audi

Specifications

2.5 TFSI I5
3.0 V6 TDI
Brand
Audi
Audi
Verdict
BUY
BUY
Reliability
83
80
Years
2009--present
2004--2020
Displacement
2480 cc
2967 cc
Layout
I5
V6
Type
Petrol Turbo
Diesel
Power
340--400 hp
204--272 hp
Known Issues
2
3
Total Risk Cost
€700--€1,600
€1,800--€4,800

Character

2.5 TFSI I5

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

3.0 V6 TDI

"Torque monster. Amazing highway economy. BiTDI = 313hp. Avoid city-only."

Issues Comparison

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

3.0 V6 TDI 3

▲ HIGH
DPF blockage — city driving €600--€1,800 60,000 km--120,000 km
● MODERATE
EGR valve + cooler fouling €400--€1,000 80,000 km--150,000 km
○ MINOR
Timing chain stretch at very high mileage €800--€2,000 150,000 km--∞

Models

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

3.0 V6 TDI 24

A4 B6/B7 2004--2008 Touareg 7L 2004--2010 A8 D3 2003--2010 A6 C6 2004--2011 Q7 4L 2006--2010 A5 8T 2008--2016 A4 B8 2008--2015 Q5 8R 2008--2017 A8 D4 2010--2017 A6 C7 2011--2018 A7 4G 2010--2018 A6 C7 2011--2018 Q5 8R 2013--2017 A6 C7 2011--2018 Q7 4L 2010--2015 Touareg 7P 2010--2018 A5 F5 2017--2024 A4 B9 2015--2019 A4 B9 2015--2019 Q5 FY 2019--present A7 4K 2019--present A4 B9 2019--2023 A6 C8 2019--present Q7 3.0 TDI 4M 2015--2024 SUV
Full 2.5 TFSI I5 Report Full 3.0 V6 TDI Report