1.6 Turbo (A16LET/B16SHT) vs 2.0 CDTi (A20DTH)

Side-by-side reliability comparison

Higher reliability score
2.0 CDTi (A20DTH) ACCEPTABLE 76/100
+18 points over 1.6 Turbo (A16LET/B16SHT)
0 / 100
CAUTION 1.6 Turbo (A16LET/B16SHT) Opel
0 / 100
ACCEPTABLE 2.0 CDTi (A20DTH) Opel

Specifications

1.6 Turbo (A16LET/B16SHT)
2.0 CDTi (A20DTH)
Brand
Opel
Opel
Verdict
CAUTION
ACCEPTABLE
Reliability
58
76
Years
2007--2018
2008--2018
Displacement
1598 cc
1956 cc
Layout
I4
I4
Type
Petrol Turbo
Diesel
Power
170--200 hp
160--195 hp
Known Issues
6
0
Total Risk Cost
€3,100--€7,400
€0--€0

Character

1.6 Turbo (A16LET/B16SHT)

"A16LET is the problem child — timing chain, turbo, HPFP. Later B16SHT much better. Service history essential."

2.0 CDTi (A20DTH)

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

Issues Comparison

1.6 Turbo (A16LET/B16SHT) 6

◆ CRITICAL
Timing chain stretch + tensioner failure €800--€2,000 60,000 km--120,000 km
▲ HIGH
High-pressure fuel pump failure €500--€1,200 60,000 km--120,000 km
▲ HIGH
Turbocharger failure €1,000--€2,500 80,000 km--150,000 km
● MODERATE
Ignition coil failure under boost €100--€300 50,000 km--100,000 km
● MODERATE
Carbon buildup (direct injection) €400--€800 60,000 km--100,000 km
● MODERATE
Water pump failure €300--€600 60,000 km--120,000 km

2.0 CDTi (A20DTH) 0

No documented issues.

Models

1.6 Turbo (A16LET/B16SHT) 8

Corsa E 2015--2018 Astra K 2015--2019 Grandland P1UO 2017--2024 Corsa D 2007--2014 Astra GTC 1.6T J 2011--2015 Coupe Astra OPC J 2012--2015 Hatchback Cascada 1.6 Turbo W13 2013--2019 Convertible Insignia 1.6 Turbo A 2008--2017 Sedan

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 1.6 Turbo (A16LET/B16SHT) Report Full 2.0 CDTi (A20DTH) Report