1.4 NA (Z14XEP) vs 1.2 NA (Z12XEP)

Side-by-side reliability comparison

Higher reliability score
1.2 NA (Z12XEP) ACCEPTABLE 76/100
+2 points over 1.4 NA (Z14XEP)
0 / 100
ACCEPTABLE 1.4 NA (Z14XEP) Opel
0 / 100
ACCEPTABLE 1.2 NA (Z12XEP) Opel

Specifications

1.4 NA (Z14XEP)
1.2 NA (Z12XEP)
Brand
Opel
Opel
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
74
76
Years
2003--2014
2000--2014
Displacement
1364 cc
1229 cc
Layout
I4
I4
Type
Petrol Na
Petrol Na
Power
90 hp
80 hp
Known Issues
5
5
Total Risk Cost
€620--€1,580
€590--€1,480

Character

1.4 NA (Z14XEP)

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

1.2 NA (Z12XEP)

"Greek city car workhorse. Simple, cheap, 200k+ km proven. Chain tensioner is the one known weakness. Bulletproof otherwise."

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

1.2 NA (Z12XEP) 5

● MODERATE
Timing chain tensioner wear €300--€700 80,000 km--150,000 km
○ MINOR
Ignition coil pack degradation €60--€180 60,000 km--120,000 km
○ MINOR
Thermostat failure €80--€200 80,000 km--150,000 km
○ MINOR
Water pump wear €100--€250 100,000 km--180,000 km
○ MINOR
Valve cover gasket seep €50--€150 100,000 km--200,000 km

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

1.2 NA (Z12XEP) 4

Corsa B 1998--2000 Agila 1.2 A 2000--2007 Hatchback Corsa 1.2 C 2000--2006 Hatchback Corsa 1.2 D 2006--2014 Hatchback
Full 1.4 NA (Z14XEP) Report Full 1.2 NA (Z12XEP) Report