2.7 Biturbo vs EA888 Gen 4

Side-by-side reliability comparison

Higher reliability score
EA888 Gen 4 BUY 82/100
+27 points over 2.7 Biturbo
0 / 100
CAUTION 2.7 Biturbo Audi
0 / 100
BUY EA888 Gen 4 Audi

Specifications

2.7 Biturbo
EA888 Gen 4
Brand
Audi
Audi
Verdict
CAUTION
BUY
Reliability
55
82
Years
1999--2005
2020--present
Displacement
2671 cc
1984 cc
Layout
V6
I4
Type
Petrol Turbo
Petrol Turbo
Power
265--380 hp
190--320 hp
Known Issues
2
2
Total Risk Cost
€2,000--€6,000
€300--€1,200

Character

2.7 Biturbo

"C5 S4/RS4, B5 S4. Twin K03/K04 turbos. Turbo failure common. Oil sludge if neglected. Coolant pipes. RS4 variant hugely powerful but maintenance-intensive. Specialist only."

EA888 Gen 4

"Gen 3 refined. Higher compression, better cooling. Strong long-term outlook."

Issues Comparison

2.7 Biturbo 2

◆ CRITICAL
Twin turbo failure (K03/K04) €1,500--€4,000 80,000 km--150,000 km
▲ HIGH
Oil sludge formation €500--€2,000 60,000 km--120,000 km

EA888 Gen 4 2

● MODERATE
Oil dilution — cold/short trips €0--€500 0 km--80,000 km
○ MINOR
EGR valve fouling (petrol EGR) €300--€700 80,000 km--160,000 km

Models

2.7 Biturbo 2

A4 B5 1997--2002 A4 B5 2000--2001

EA888 Gen 4 9

A1 35 TFSI GB 2018--2024 Hatchback A3 35 TFSI 8Y 2020--2024 Hatchback A4 2.0 TFSI B9 2015--2024 Sedan A4 Avant 2.0 TFSI B9 2015--2024 Wagon A5 2.0 TFSI F5 2016--2024 Coupe A5 Sportback 2.0 TFSI F5 2016--2024 Fastback A6 2.0 TFSI C8 2018--2024 Sedan Q3 35 TFSI F3 2018--2024 SUV Q5 2.0 TFSI FY 2017--2024 SUV
Full 2.7 Biturbo Report Full EA888 Gen 4 Report