4.0 TDI V8 vs EA211 1.4 TFSI

Side-by-side reliability comparison

Higher reliability score
EA211 1.4 TFSI BUY 78/100
+26 points over 4.0 TDI V8
0 / 100
CAUTION 4.0 TDI V8 Audi
0 / 100
BUY EA211 1.4 TFSI Audi

Specifications

4.0 TDI V8
EA211 1.4 TFSI
Brand
Audi
Audi
Verdict
CAUTION
BUY
Reliability
52
78
Years
2003--2012
2012--2020
Displacement
4134 cc
1395 cc
Layout
V8
I4
Type
Diesel
Petrol Turbo
Power
326--385 hp
122--150 hp
Known Issues
2
2
Total Risk Cost
€3,500--€10,000
€400--€1,100

Character

4.0 TDI V8

"D3 A8, Q7. V8 diesel — enormous torque. Complex. Timing chain. 8 injectors = expensive. DPF. Linked to Dieselgate (CDSB). Specialist only. Parts costs astronomical."

EA211 1.4 TFSI

"Timing belt (not chain) = no stretch. Cylinder deactivation. Efficient budget Audi."

Issues Comparison

4.0 TDI V8 2

◆ CRITICAL
Timing chain complexity €2,000--€6,000 80,000 km--150,000 km
▲ HIGH
Injector failure (8 injectors) €1,500--€4,000 100,000 km--200,000 km

EA211 1.4 TFSI 2

▲ HIGH
Timing belt replacement (not chain — mandatory) €400--€800 60,000 km--90,000 km
○ MINOR
Cylinder On Demand (CoD) shudder €0--€300 30,000 km--∞

Models

4.0 TDI V8 3

Q7 4L 2007--2012 A8 D3 2005--2010 A8 D4 2010--2017

EA211 1.4 TFSI 26

A4 B9 2015--2019 A3 8V 2012--2018 Leon Mk3 (5F) 2012--2018 Touran 5T 2015--2018 Leon 5F 2014--2020 Ibiza 6J 2015--2017 A3 8V 2014--2018 Leon Mk3 (5F) 2014--2018 Toledo Mk4 (KG) 2015--2019 Golf Mk7 (5G) 2014--2017 Polo 6R/6C 2014--2017 Passat B8 (3G) 2014--2019 Formentor KM 2021--present Superb 3V 2020--2024 Octavia NX 2020--2024 Leon KL 2020--present Leon KL 2020--present Formentor KM 2021--present Tarraco KN 2021--present Tiguan AD 2016--2020 Superb 3V 2015--2019 Kodiaq NS 2017--2020 A1 1.0 TFSI 8X 2014--2018 Hatchback A1 1.4 TFSI 8X 2010--2018 Hatchback Q2 1.4 TFSI GA 2016--2024 SUV Q3 1.4 TFSI 8U 2011--2018 SUV
Full 4.0 TDI V8 Report Full EA211 1.4 TFSI Report