X17DTL/Y17DT 1.7d vs 1.2 NA (Z12XEP)
Side-by-side reliability comparison
Higher reliability score
1.2 NA (Z12XEP)
ACCEPTABLE
76/100
+2 points over X17DTL/Y17DT 1.7d
0
/ 100
ACCEPTABLE
X17DTL/Y17DT 1.7d
Opel
0
/ 100
ACCEPTABLE
1.2 NA (Z12XEP)
Opel
Specifications
X17DTL/Y17DT 1.7d
1.2 NA (Z12XEP)
Brand
Opel
Opel
Verdict
ACCEPTABLE
ACCEPTABLE
Reliability
74
76
Years
1994--2006
2000--2014
Displacement
1686 cc
1229 cc
Layout
I4
I4
Type
Diesel
Petrol Na
Power
68--75 hp
80 hp
Known Issues
2
5
Total Risk Cost
€450--€1,200
€590--€1,480
Character
X17DTL/Y17DT 1.7d
"Corsa B/C, Combo. Isuzu-derived diesel. Simple, indirect injection (early) or common rail (Y17DT). No DPF. Economical. Glow plug issues. Injection pump on early units. Reliable work van engine."
1.2 NA (Z12XEP)
"Greek city car workhorse. Simple, cheap, 200k+ km proven. Chain tensioner is the one known weakness. Bulletproof otherwise."
Issues Comparison
X17DTL/Y17DT 1.7d 2
▲ HIGH
Injection pump (indirect inj models)
○ MINOR
Glow plug failure
1.2 NA (Z12XEP) 5
● MODERATE
Timing chain tensioner wear
○ MINOR
Ignition coil pack degradation
○ MINOR
Thermostat failure
○ MINOR
Water pump wear
○ MINOR
Valve cover gasket seep