2.5 V6 TDI (AKE) vs 3.0 V6 TDI

Side-by-side reliability comparison

Higher reliability score
3.0 V6 TDI BUY 80/100
+38 points over 2.5 V6 TDI (AKE)
0 / 100
AVOID 2.5 V6 TDI (AKE) Audi
0 / 100
BUY 3.0 V6 TDI Audi

Specifications

2.5 V6 TDI (AKE)
3.0 V6 TDI
Brand
Audi
Audi
Verdict
AVOID
BUY
Reliability
42
80
Years
1997--2005
2004--2020
Displacement
2496 cc
2967 cc
Layout
V6
V6
Type
Diesel
Diesel
Power
150--180 hp
204--272 hp
Known Issues
1
3
Total Risk Cost
€2,000--€6,000
€1,800--€4,800

Character

2.5 V6 TDI (AKE)

"C5 A6 2.5 TDI. Camshaft wear is catastrophic — soft cam lobes wear flat, destroying engine. Timing belt replacement critical. Turbo failure. EGR clogging. One of Audi's least reliable engines."

3.0 V6 TDI

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

Issues Comparison

2.5 V6 TDI (AKE) 1

◆ CRITICAL
Camshaft lobe wear (catastrophic) €2,000--€6,000 80,000 km--150,000 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 V6 TDI (AKE) 3

A6 C5 1997--2005 A4 B5 1998--2001 A4 B6/B7 2001--2006

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 V6 TDI (AKE) Report Full 3.0 V6 TDI Report