5.0 V10 TT (BUH) vs 2.5 TFSI I5

Side-by-side reliability comparison

Higher reliability score
2.5 TFSI I5 BUY 83/100
+35 points over 5.0 V10 TT (BUH)
0 / 100
CAUTION 5.0 V10 TT (BUH) Audi
0 / 100
BUY 2.5 TFSI I5 Audi

Specifications

5.0 V10 TT (BUH)
2.5 TFSI I5
Brand
Audi
Audi
Verdict
CAUTION
BUY
Reliability
48
83
Years
2008--2010
2009--present
Displacement
4991 cc
2480 cc
Layout
V10
I5
Type
Petrol Turbo
Petrol Turbo
Power
580 hp
340--400 hp
Known Issues
3
2
Total Risk Cost
€4,500--€13,000
€700--€1,600

Character

5.0 V10 TT (BUH)

"RS6 C6. Twin KKK K24 turbos on Lamborghini V10 block. Most powerful Audi estate ever. Turbo failure, intercooler pipes, carbon buildup. Cooling system under extreme stress. Maintenance costs astronomical. Specialist only."

2.5 TFSI I5

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

Issues Comparison

5.0 V10 TT (BUH) 3

◆ CRITICAL
Twin turbo failure (K24) €3,000--€8,000 60,000 km--120,000 km
▲ HIGH
Cooling system under stress €500--€2,000 60,000 km--120,000 km
▲ HIGH
Carbon buildup (DI V10) €1,000--€3,000 60,000 km--120,000 km

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

5.0 V10 TT (BUH) 1

A6 C6 2008--2010

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 5.0 V10 TT (BUH) Report Full 2.5 TFSI I5 Report