1.4 NA (Z14XEP) vs 2.0 CDTi (A20DTH)

Side-by-side reliability comparison

Higher reliability score
2.0 CDTi (A20DTH) ACCEPTABLE 76/100
+2 points over 1.4 NA (Z14XEP)
0 / 100
ACCEPTABLE 1.4 NA (Z14XEP) Opel
0 / 100
ACCEPTABLE 2.0 CDTi (A20DTH) Opel

Specifications

1.4 NA (Z14XEP)
2.0 CDTi (A20DTH)
Brand
Opel
Opel
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
74
76
Years
2003--2014
2008--2018
Displacement
1364 cc
1956 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
90 hp
160--195 hp
Known Issues
5
0
Total Risk Cost
€620--€1,580
€0--€0

Character

1.4 NA (Z14XEP)

"Same family as Z12XEP, more torque. Works harder in Astra H. Timing chain tensioner watch. Reliable city commuter."

2.0 CDTi (A20DTH)

"Insignia/Zafira. Strong torque. Reliable for GM diesel. DMF wear. Good highway."

Issues Comparison

1.4 NA (Z14XEP) 5

● MODERATE
Timing chain tensioner wear €300--€700 80,000 km--150,000 km
○ MINOR
Ignition coil failure €60--€180 60,000 km--120,000 km
○ MINOR
Thermostat housing failure €80--€200 60,000 km--120,000 km
○ MINOR
EGR valve carbon buildup €100--€300 80,000 km--150,000 km
○ MINOR
Engine mount wear €80--€200 100,000 km--180,000 km

2.0 CDTi (A20DTH) 0

No documented issues.

Models

1.4 NA (Z14XEP) 6

Corsa E 2014--2019 Corsa E 2014--2019 Astra 1.4 H 2004--2010 Hatchback Corsa 1.4 C 2003--2006 Hatchback Corsa 1.4 D 2006--2014 Hatchback Meriva 1.4 A 2003--2010 MPV

2.0 CDTi (A20DTH) 11

Zafira Tourer C 2012--2019 Astra J 2009--2015 Insignia A 2008--2017 Insignia A 2008--2017 Insignia A 2012--2017 Insignia B 2017--2022 Grandland P1UO 2017--2021 Vectra C 2004--2008 Astra H 2004--2010 Zafira B 2005--2014 Vectra C 2004--2008
Full 1.4 NA (Z14XEP) Report Full 2.0 CDTi (A20DTH) Report