1.2 NA (Z12XEP) vs 2.0 CDTi (A20DTH)

Side-by-side reliability comparison

Reliability score
Tied 76/100
0 / 100
ACCEPTABLE 1.2 NA (Z12XEP) Opel
0 / 100
ACCEPTABLE 2.0 CDTi (A20DTH) Opel

Specifications

1.2 NA (Z12XEP)
2.0 CDTi (A20DTH)
Brand
Opel
Opel
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
76
76
Years
2000--2014
2008--2018
Displacement
1229 cc
1956 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
80 hp
160--195 hp
Known Issues
5
0
Total Risk Cost
€590--€1,480
€0--€0

Character

1.2 NA (Z12XEP)

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

2.0 CDTi (A20DTH)

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

Issues Comparison

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

2.0 CDTi (A20DTH) 0

No documented issues.

Models

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

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 1.2 NA (Z12XEP) Report Full 2.0 CDTi (A20DTH) Report