1.7 CDTi (Z17DTH/A17DTS) vs 1.6 CDTi (B16DTH)

Side-by-side reliability comparison

Higher reliability score
1.6 CDTi (B16DTH) ACCEPTABLE 74/100
+12 points over 1.7 CDTi (Z17DTH/A17DTS)
0 / 100
CAUTION 1.7 CDTi (Z17DTH/A17DTS) Opel
0 / 100
ACCEPTABLE 1.6 CDTi (B16DTH) Opel

Specifications

1.7 CDTi (Z17DTH/A17DTS)
1.6 CDTi (B16DTH)
Brand
Opel
Opel
Verdict
CAUTION
ACCEPTABLE
Reliability
62
74
Years
2004--2014
2014--2020
Displacement
1686 cc
1598 cc
Layout
I4
I4
Type
Diesel
Diesel
Power
110--130 hp
136--160 hp
Known Issues
7
0
Total Risk Cost
€2,150--€6,400
€0--€0

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."

1.6 CDTi (B16DTH)

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

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

1.6 CDTi (B16DTH) 0

No documented issues.

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

1.6 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 1.7 CDTi (Z17DTH/A17DTS) Report Full 1.6 CDTi (B16DTH) Report