1.7 CDTi (Z17DTH/A17DTS) vs 1.2 NA (Z12XEP)

Side-by-side reliability comparison

Higher reliability score
1.2 NA (Z12XEP) ACCEPTABLE 76/100
+14 points over 1.7 CDTi (Z17DTH/A17DTS)
0 / 100
CAUTION 1.7 CDTi (Z17DTH/A17DTS) Opel
0 / 100
ACCEPTABLE 1.2 NA (Z12XEP) Opel

Specifications

1.7 CDTi (Z17DTH/A17DTS)
1.2 NA (Z12XEP)
Brand
Opel
Opel
Verdict
CAUTION
ACCEPTABLE
Reliability
62
76
Years
2004--2014
2000--2014
Displacement
1686 cc
1229 cc
Layout
I4
I4
Type
Diesel
Petrol Na
Power
110--130 hp
80 hp
Known Issues
7
5
Total Risk Cost
€2,150--€6,400
€590--€1,480

Character

1.7 CDTi (Z17DTH/A17DTS)

"Decent diesel dragged down by DPF/EGR in city driving. Black death injector seal is the horror story. Highway use recommended."

1.2 NA (Z12XEP)

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

Issues Comparison

1.7 CDTi (Z17DTH/A17DTS) 7

◆ CRITICAL
Injector seal leak (black death) €300--€1,500 80,000 km--150,000 km
▲ HIGH
DPF clogging (city driving) €400--€1,500 40,000 km--100,000 km
▲ HIGH
Dual mass flywheel wear €600--€1,200 80,000 km--150,000 km
● MODERATE
EGR valve failure €250--€600 50,000 km--100,000 km
● MODERATE
Swirl flap breakage €200--€500 60,000 km--120,000 km
● MODERATE
Turbo actuator failure €300--€800 80,000 km--150,000 km
○ MINOR
Glow plug failure €100--€300 80,000 km--150,000 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

1.7 CDTi (Z17DTH/A17DTS) 4

Astra 1.7 CDTi J 2009--2015 Hatchback Combo 1.7 CDTi D 2011--2018 MPV Corsa 1.7 CDTi D 2006--2014 Hatchback Meriva 1.7 CDTi B 2010--2017 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 1.7 CDTi (Z17DTH/A17DTS) Report Full 1.2 NA (Z12XEP) Report