1.2 NA (Z12XEP) vs 1.6 CDTi (B16DTH)

Side-by-side reliability comparison

Higher reliability score
1.2 NA (Z12XEP) ACCEPTABLE 76/100
+2 points over 1.6 CDTi (B16DTH)
0 / 100
ACCEPTABLE 1.2 NA (Z12XEP) Opel
0 / 100
ACCEPTABLE 1.6 CDTi (B16DTH) Opel

Specifications

1.2 NA (Z12XEP)
1.6 CDTi (B16DTH)
Brand
Opel
Opel
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
76
74
Years
2000--2014
2014--2020
Displacement
1229 cc
1598 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
80 hp
136--160 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."

1.6 CDTi (B16DTH)

"Astra K/Insignia B. Good diesel. DPF care needed. Fuel pump concerns at high mileage."

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

1.6 CDTi (B16DTH) 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

1.6 CDTi (B16DTH) 16

Corsa B 1993--2000 Astra J 2009--2015 Zafira B 2008--2014 Mokka J-A 2015--2020 Mokka J-A 2015--2020 Zafira Tourer C 2013--2019 Astra K 2015--2019 Astra K 2015--2019 Insignia B 2017--2022 Insignia B 2017--2022 Insignia B 2017--2019 Grandland P1UO 2017--2024 Corsa C 2003--2006 Corsa D 2006--2014 Astra H 2004--2010 Grandland X 1.6 CDTi A18 2017--2021 SUV
Full 1.2 NA (Z12XEP) Report Full 1.6 CDTi (B16DTH) Report