1.6 and 1.8 Ecotec 16v vs 1.2 8v: which engine is more reliable?
According to our risk index, the 1.6 and 1.8 Ecotec 16v carries less risk than the 1.2 8v: 23/100 (low risk) versus 36/100 (moderate risk). The 1.6 and 1.8 Ecotec 16v has no documented serious faults; the 1.2 8v has 1 documented serious fault, the main one being «Damaged cylinder head gasket (coolant loss and overheating)».
The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated
Is the 1.6 and 1.8 Ecotec 16v reliable?
The 1.6 and 1.8 16v Ecotec (Z16XER/A16XER, Z18XER/A18XER) that Opel fitted between 2005 and 2015 to the Astra H and J, Zafira B, Vectra C and Insignia A have a reputation as reliable naturally aspirated engines: the sources consulted document no serious faults or failure patterns, only minor problems such as ignition coils and, on the 1.8, leaks from the oil cooler or thermostat.[1][2][3][4]
See the 3 of the 1.6 and 1.8 Ecotec 16v faultsIs the 1.2 8v reliable?
The 1.2 8v (D7F) is a simple naturally aspirated engine of 54 to 60 hp, with a timing belt, which Renault fitted from 1996 to the Twingo, Clio II and Kangoo. No catastrophic failures are documented; what owner reviews mention most often are the sensors, the cylinder head gasket, the coil packs and the occasional oil drip.[5][6][7]
See the 5 of the 1.2 8v faultsSide-by-side comparison
| Item | 1.6 and 1.8 Ecotec 16v | 1.2 8v |
|---|---|---|
| Technical data | ||
| Type | Engine | Engine |
| Fuel | Petrol | Petrol |
| Displacement | — | 1,149 cm³ |
| Timing | Timing belt (dry) | Timing belt (dry) |
| Power | 115–140 hp | 54–60 hp |
| Production | 2005–2015[8][9][10][11] | 1996–2012[12][13][14][15] |
| Reliability | ||
| Risk index (what is it?) | 23Low risk | 36Moderate risk |
| Documented faults | 3 | 5 |
| Of high or critical severity | 0 | 1 |
| Worst severity | Medium severity | High severity |
| Main faults |
|
|
| Most expensive documented repair | No reliable data | No reliable data |
| Which versions to buy | ||
| BuyRecommended versions | None | |
| With cautionVersions to be cautious about | None | |
| AvoidVersions to avoid | None | None |
Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them
Cars that each one is fitted to
Other comparisons
With the 1.6 and 1.8 Ecotec 16v
- 1.6 and 1.8 Ecotec 16v vs 1.2 PureTech
- 1.6 and 1.8 Ecotec 16v vs 1.0 PureTech
- 1.6 and 1.8 Ecotec 16v vs 1.2 and 1.4 TSI
- 1.6 and 1.8 Ecotec 16v vs 1.0 TSI / 1.5 TSI
- 1.6 and 1.8 Ecotec 16v vs 1.2 TCe
- 1.6 and 1.8 Ecotec 16v vs 1.0 EcoBoost
- 1.6 and 1.8 Ecotec 16v vs 1.3 TCe
- 1.6 and 1.8 Ecotec 16v vs 1.6 EcoBoost
- 1.6 and 1.8 Ecotec 16v vs 2.0 TSI / TFSI
- 1.6 and 1.8 Ecotec 16v vs Audi 3.0 TFSI V6
- 1.6 and 1.8 Ecotec 16v vs 2.4, 2.8 and 3.0 V6 30v
- 1.6 and 1.8 Ecotec 16v vs BMW B38 / B37
- 1.6 and 1.8 Ecotec 16v vs BMW B48 / B38
- 1.6 and 1.8 Ecotec 16v vs BMW B58
- 1.6 and 1.8 Ecotec 16v vs M43 1.6, 1.8 and 1.9
- 1.6 and 1.8 Ecotec 16v vs M50 and M52
- 1.6 and 1.8 Ecotec 16v vs BMW M54
- 1.6 and 1.8 Ecotec 16v vs BMW N13
- 1.6 and 1.8 Ecotec 16v vs BMW N20
- 1.6 and 1.8 Ecotec 16v vs N42 and N45 1.6, 1.8 and 2.0
- 1.6 and 1.8 Ecotec 16v vs BMW N43/N46
- 1.6 and 1.8 Ecotec 16v vs BMW N52 / N53
- 1.6 and 1.8 Ecotec 16v vs BMW N54/N55
- 1.6 and 1.8 Ecotec 16v vs BMW N62 / N63
- 1.6 and 1.8 Ecotec 16v vs 1.0, 1.2 and 1.4 Fire
- 1.6 and 1.8 Ecotec 16v vs 1.4 T-Jet
- 1.6 and 1.8 Ecotec 16v vs 1.0 T3 and 1.3 T4 FireFly Turbo
- 1.6 and 1.8 Ecotec 16v vs 0.9 TwinAir and 1.0/1.3 FireFly
- 1.6 and 1.8 Ecotec 16v vs 1.5 EcoBoost
- 1.6 and 1.8 Ecotec 16v vs 1.25/1.4/1.6 Ti-VCT
- 1.6 and 1.8 Ecotec 16v vs 2.0 EcoBoost
- 1.6 and 1.8 Ecotec 16v vs 2.3 EcoBoost
- 1.6 and 1.8 Ecotec 16v vs 1.0-1.6 8v Endura-E, Duratec 8v and RoCam
- 1.6 and 1.8 Ecotec 16v vs 1.8 and 2.0 Zetec-E
- 1.6 and 1.8 Ecotec 16v vs 1.0 and 1.2 de 3 cilindros (Onix and Tracker)
- 1.6 and 1.8 Ecotec 16v vs 1.4 / 1.6 16v E-TEC II
- 1.6 and 1.8 Ecotec 16v vs 0.8 / 1.0 / 1.2 S-TEC
- 1.6 and 1.8 Ecotec 16v vs 1.2, 1.4 and 1.6 8V (Family 1)
- 1.6 and 1.8 Ecotec 16v vs Family II 2.0 and 2.4 gasolina
- 1.6 and 1.8 Ecotec 16v vs 1.2 / 1.4 / 1.8 i-VTEC
- 1.6 and 1.8 Ecotec 16v vs 1.0 / 1.5 VTEC Turbo
- 1.6 and 1.8 Ecotec 16v vs 2.0 / 2.4 i-VTEC
- 1.6 and 1.8 Ecotec 16v vs Honda e:HEV / i-MMD
- 1.6 and 1.8 Ecotec 16v vs Honda IMA híbrido
- 1.6 and 1.8 Ecotec 16v vs 1.0 T-GDI
- 1.6 and 1.8 Ecotec 16v vs 1.6 GDI / T-GDI
- 1.6 and 1.8 Ecotec 16v vs 1.6 GDi híbrido (Kappa)
- 1.6 and 1.8 Ecotec 16v vs 1.3, 1.4 and 1.6 Alpha
- 1.6 and 1.8 Ecotec 16v vs 1.8 / 2.0 Beta II
- 1.6 and 1.8 Ecotec 16v vs 1.0 and 1.1 Epsilon
- 1.6 and 1.8 Ecotec 16v vs 1.4 / 1.6 MPI Gamma
- 1.6 and 1.8 Ecotec 16v vs 1.0 / 1.25 MPi
- 1.6 and 1.8 Ecotec 16v vs 1.8 / 2.0 Nu
- 1.6 and 1.8 Ecotec 16v vs Smartstream 1.6 T-GDi
- 1.6 and 1.8 Ecotec 16v vs 2.0 / 2.4 GDI and T-GDI (Theta II)
- 1.6 and 1.8 Ecotec 16v vs 2.0 and 3.0 Ingenium gasolina
- 1.6 and 1.8 Ecotec 16v vs 2.3 MZR DISI Turbo
- 1.6 and 1.8 Ecotec 16v vs MZR gasolina
- 1.6 and 1.8 Ecotec 16v vs Skyactiv-G
- 1.6 and 1.8 Ecotec 16v vs M111
- 1.6 and 1.8 Ecotec 16v vs M112 / M113
- 1.6 and 1.8 Ecotec 16v vs M264/M254
- 1.6 and 1.8 Ecotec 16v vs M266 (1.5, 1.7, 2.0 and 2.0 Turbo)
- 1.6 and 1.8 Ecotec 16v vs M260
- 1.6 and 1.8 Ecotec 16v vs M271
- 1.6 and 1.8 Ecotec 16v vs M272/M273
- 1.6 and 1.8 Ecotec 16v vs M270/M274
- 1.6 and 1.8 Ecotec 16v vs M276
- 1.6 and 1.8 Ecotec 16v vs 1.5 VTi-TECH / T-GDI
- 1.6 and 1.8 Ecotec 16v vs MIVEC gasolina
- 1.6 and 1.8 Ecotec 16v vs Mitsubishi PHEV
- 1.6 and 1.8 Ecotec 16v vs 1.6 DIG-T
- 1.6 and 1.8 Ecotec 16v vs 1.5 VC-Turbo e-Power
- 1.6 and 1.8 Ecotec 16v vs 1.2 HR12DE and 1.2 DIG-S (HR12DDR)
- 1.6 and 1.8 Ecotec 16v vs 2.0 MR20DE / 2.5 QR25DE
- 1.6 and 1.8 Ecotec 16v vs 1.5/1.6/1.8 QG
- 1.6 and 1.8 Ecotec 16v vs 1.6 16v HR16DE / H4M
- 1.6 and 1.8 Ecotec 16v vs 1.0/1.2/1.4 Ecotec
- 1.6 and 1.8 Ecotec 16v vs 1.4 Turbo
- 1.6 and 1.8 Ecotec 16v vs 2.2 Ecotec gasolina
- 1.6 and 1.8 Ecotec 16v vs Porsche MA1 / 9A1
- 1.6 and 1.8 Ecotec 16v vs Porsche M96/M97
- 1.6 and 1.8 Ecotec 16v vs Porsche V8 and V6 (Cayenne and Panamera)
- 1.6 and 1.8 Ecotec 16v vs 1.4 and 1.6 TU3/TU5
- 1.6 and 1.8 Ecotec 16v vs 1.4/1.6 VTi
- 1.6 and 1.8 Ecotec 16v vs 1.6 THP
- 1.6 and 1.8 Ecotec 16v vs 1.8, 2.0 and 2.2 16v EW7/EW10/EW12
- 1.6 and 1.8 Ecotec 16v vs 1.8 and 2.0 XU
- 1.6 and 1.8 Ecotec 16v vs 0.9 TCe
- 1.6 and 1.8 Ecotec 16v vs 1.0 SCe (B4D)
- 1.6 and 1.8 Ecotec 16v vs 1.0 TCe / SCe
- 1.6 and 1.8 Ecotec 16v vs 1.4 and 1.6 8v
- 1.6 and 1.8 Ecotec 16v vs 1.8 TCe
- 1.6 and 1.8 Ecotec 16v vs 1.2 16v
- 1.6 and 1.8 Ecotec 16v vs E-Tech Híbrido
- 1.6 and 1.8 Ecotec 16v vs 2.0 16v F4R and F4RT
- 1.6 and 1.8 Ecotec 16v vs 1.4 and 1.6 16v
- 1.6 and 1.8 Ecotec 16v vs Rover K-Series
- 1.6 and 1.8 Ecotec 16v vs 1.0 and 1.4 Boosterjet
- 1.6 and 1.8 Ecotec 16v vs 1.2 Dualjet and 1.2 VVT
- 1.6 and 1.8 Ecotec 16v vs 1.5 K15B (Jimny)
- 1.6 and 1.8 Ecotec 16v vs 1.3, 1.5 and 1.6 gasolina (serie M)
- 1.6 and 1.8 Ecotec 16v vs 1.0 VVT-i
- 1.6 and 1.8 Ecotec 16v vs 1.2 Turbo
- 1.6 and 1.8 Ecotec 16v vs 1.33 Dual VVT-i
- 1.6 and 1.8 Ecotec 16v vs 1.4, 1.6 and 1.8 VVT-i
- 1.6 and 1.8 Ecotec 16v vs 1.5 Hybrid
- 1.6 and 1.8 Ecotec 16v vs 1.6 Dual VVT-i
- 1.6 and 1.8 Ecotec 16v vs 1.8 Hybrid
- 1.6 and 1.8 Ecotec 16v vs 2.7 and 4.0 gasolina (2TR-FE and 1GR-FE)
- 1.6 and 1.8 Ecotec 16v vs 2.0 and 2.4 VVT-i
- 1.6 and 1.8 Ecotec 16v vs 2.0 and 2.5 Hybrid
- 1.6 and 1.8 Ecotec 16v vs Volvo 5 cilindros gasolina
- 1.6 and 1.8 Ecotec 16v vs Drive-E gasolina
- 1.6 and 1.8 Ecotec 16v vs 1.0 MPI
- 1.6 and 1.8 Ecotec 16v vs 1.2 12V
- 1.6 and 1.8 Ecotec 16v vs 1.4 16v and 1.6 FSI
- 1.6 and 1.8 Ecotec 16v vs 1.8 T 20v
- 1.6 and 1.8 Ecotec 16v vs 2.0 FSI
- 1.6 and 1.8 Ecotec 16v vs VW 2.0 TFSI EA113
- 1.6 and 1.8 Ecotec 16v vs 2.3 VR5 (V5)
- 1.6 and 1.8 Ecotec 16v vs 1.0, 1.4 and 1.6 8v EA111
- 1.6 and 1.8 Ecotec 16v vs 1.6 and 2.0 8v EA827
- 1.6 and 1.8 Ecotec 16v vs VR6
With the 1.2 8v
- 1.2 8v vs 1.2 PureTech
- 1.2 8v vs 1.0 PureTech
- 1.2 8v vs 1.2 and 1.4 TSI
- 1.2 8v vs 1.0 TSI / 1.5 TSI
- 1.2 8v vs 1.2 TCe
- 1.2 8v vs 1.0 EcoBoost
- 1.2 8v vs 1.3 TCe
- 1.2 8v vs 1.6 EcoBoost
- 1.2 8v vs 2.0 TSI / TFSI
- 1.2 8v vs Audi 3.0 TFSI V6
- 1.2 8v vs 2.4, 2.8 and 3.0 V6 30v
- 1.2 8v vs BMW B38 / B37
- 1.2 8v vs BMW B48 / B38
- 1.2 8v vs BMW B58
- 1.2 8v vs M43 1.6, 1.8 and 1.9
- 1.2 8v vs M50 and M52
- 1.2 8v vs BMW M54
- 1.2 8v vs BMW N13
- 1.2 8v vs BMW N20
- 1.2 8v vs N42 and N45 1.6, 1.8 and 2.0
- 1.2 8v vs BMW N43/N46
- 1.2 8v vs BMW N52 / N53
- 1.2 8v vs BMW N54/N55
- 1.2 8v vs BMW N62 / N63
- 1.2 8v vs 1.0, 1.2 and 1.4 Fire
- 1.2 8v vs 1.4 T-Jet
- 1.2 8v vs 1.0 T3 and 1.3 T4 FireFly Turbo
- 1.2 8v vs 0.9 TwinAir and 1.0/1.3 FireFly
- 1.2 8v vs 1.5 EcoBoost
- 1.2 8v vs 1.25/1.4/1.6 Ti-VCT
- 1.2 8v vs 2.0 EcoBoost
- 1.2 8v vs 2.3 EcoBoost
- 1.2 8v vs 1.0-1.6 8v Endura-E, Duratec 8v and RoCam
- 1.2 8v vs 1.8 and 2.0 Zetec-E
- 1.2 8v vs 1.0 and 1.2 de 3 cilindros (Onix and Tracker)
- 1.2 8v vs 1.4 / 1.6 16v E-TEC II
- 1.2 8v vs 0.8 / 1.0 / 1.2 S-TEC
- 1.2 8v vs 1.2, 1.4 and 1.6 8V (Family 1)
- 1.2 8v vs Family II 2.0 and 2.4 gasolina
- 1.2 8v vs 1.2 / 1.4 / 1.8 i-VTEC
- 1.2 8v vs 1.0 / 1.5 VTEC Turbo
- 1.2 8v vs 2.0 / 2.4 i-VTEC
- 1.2 8v vs Honda e:HEV / i-MMD
- 1.2 8v vs Honda IMA híbrido
- 1.2 8v vs 1.0 T-GDI
- 1.2 8v vs 1.6 GDI / T-GDI
- 1.2 8v vs 1.6 GDi híbrido (Kappa)
- 1.2 8v vs 1.3, 1.4 and 1.6 Alpha
- 1.2 8v vs 1.8 / 2.0 Beta II
- 1.2 8v vs 1.0 and 1.1 Epsilon
- 1.2 8v vs 1.4 / 1.6 MPI Gamma
- 1.2 8v vs 1.0 / 1.25 MPi
- 1.2 8v vs 1.8 / 2.0 Nu
- 1.2 8v vs Smartstream 1.6 T-GDi
- 1.2 8v vs 2.0 / 2.4 GDI and T-GDI (Theta II)
- 1.2 8v vs 2.0 and 3.0 Ingenium gasolina
- 1.2 8v vs 2.3 MZR DISI Turbo
- 1.2 8v vs MZR gasolina
- 1.2 8v vs Skyactiv-G
- 1.2 8v vs M111
- 1.2 8v vs M112 / M113
- 1.2 8v vs M264/M254
- 1.2 8v vs M266 (1.5, 1.7, 2.0 and 2.0 Turbo)
- 1.2 8v vs M260
- 1.2 8v vs M271
- 1.2 8v vs M272/M273
- 1.2 8v vs M270/M274
- 1.2 8v vs M276
- 1.2 8v vs 1.5 VTi-TECH / T-GDI
- 1.2 8v vs MIVEC gasolina
- 1.2 8v vs Mitsubishi PHEV
- 1.2 8v vs 1.6 DIG-T
- 1.2 8v vs 1.5 VC-Turbo e-Power
- 1.2 8v vs 1.2 HR12DE and 1.2 DIG-S (HR12DDR)
- 1.2 8v vs 2.0 MR20DE / 2.5 QR25DE
- 1.2 8v vs 1.5/1.6/1.8 QG
- 1.2 8v vs 1.6 16v HR16DE / H4M
- 1.2 8v vs 1.0/1.2/1.4 Ecotec
- 1.2 8v vs 1.4 Turbo
- 1.2 8v vs 2.2 Ecotec gasolina
- 1.2 8v vs Porsche MA1 / 9A1
- 1.2 8v vs Porsche M96/M97
- 1.2 8v vs Porsche V8 and V6 (Cayenne and Panamera)
- 1.2 8v vs 1.4 and 1.6 TU3/TU5
- 1.2 8v vs 1.4/1.6 VTi
- 1.2 8v vs 1.6 THP
- 1.2 8v vs 1.8, 2.0 and 2.2 16v EW7/EW10/EW12
- 1.2 8v vs 1.8 and 2.0 XU
- 1.2 8v vs 0.9 TCe
- 1.2 8v vs 1.0 SCe (B4D)
- 1.2 8v vs 1.0 TCe / SCe
- 1.2 8v vs 1.4 and 1.6 8v
- 1.2 8v vs 1.8 TCe
- 1.2 8v vs 1.2 16v
- 1.2 8v vs E-Tech Híbrido
- 1.2 8v vs 2.0 16v F4R and F4RT
- 1.2 8v vs 1.4 and 1.6 16v
- 1.2 8v vs Rover K-Series
- 1.2 8v vs 1.0 and 1.4 Boosterjet
- 1.2 8v vs 1.2 Dualjet and 1.2 VVT
- 1.2 8v vs 1.5 K15B (Jimny)
- 1.2 8v vs 1.3, 1.5 and 1.6 gasolina (serie M)
- 1.2 8v vs 1.0 VVT-i
- 1.2 8v vs 1.2 Turbo
- 1.2 8v vs 1.33 Dual VVT-i
- 1.2 8v vs 1.4, 1.6 and 1.8 VVT-i
- 1.2 8v vs 1.5 Hybrid
- 1.2 8v vs 1.6 Dual VVT-i
- 1.2 8v vs 1.8 Hybrid
- 1.2 8v vs 2.7 and 4.0 gasolina (2TR-FE and 1GR-FE)
- 1.2 8v vs 2.0 and 2.4 VVT-i
- 1.2 8v vs 2.0 and 2.5 Hybrid
- 1.2 8v vs Volvo 5 cilindros gasolina
- 1.2 8v vs Drive-E gasolina
- 1.2 8v vs 1.0 MPI
- 1.2 8v vs 1.2 12V
- 1.2 8v vs 1.4 16v and 1.6 FSI
- 1.2 8v vs 1.8 T 20v
- 1.2 8v vs 2.0 FSI
- 1.2 8v vs VW 2.0 TFSI EA113
- 1.2 8v vs 2.3 VR5 (V5)
- 1.2 8v vs 1.0, 1.4 and 1.6 8v EA111
- 1.2 8v vs 1.6 and 2.0 8v EA827
- 1.2 8v vs VR6
Compare other engines
Sources
Every fact on this page links to its source. If you find an error, let us know.
- Opel Insignia A – Typische Probleme & KrankheitenGebrauchtwagenberater.de · Other source · consulted 27 September 2026 · in German
- Fiabilité Opel Astra (H): pannes et témoignagesFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Fiabilité Opel Zafira 2 (B): pannes et témoignagesFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Fiabilité Opel Insignia (A): pannes et témoignagesFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Fiabilité Renault Clio 2 : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
- Fiabilité Renault Twingo 1993-2006 : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
- Fiabilité Renault Twingo 2 (2007-2014) : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
- Opel Astra HWikipedia (alemán) · Other source · consulted 27 September 2026 · in German
- Opel ZafiraWikipedia (alemán) · Other source · consulted 27 September 2026 · in German
- Opel Astra JWikipedia (alemán) · Other source · consulted 27 September 2026 · in German
- Opel Astra J – Typische Probleme & SchwachstellenGebrauchtwagenberater.de · Other source · consulted 27 September 2026 · in German
- Moteur D (Renault)Wikipédia (francés) · Other source · consulted 2 November 2026 · in French
- Renault Clio IIWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
- Renault TwingoWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
- Renault Twingo IWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
- Opel Vectra C: ProblemeGebrauchtwagenberater.de · Other source · consulted 27 September 2026 · in German
- Chevrolet Cruze (J300, 2008-2016): Typische Probleme & SchwachstellenGebrauchtwagenberater.de · Other source · consulted 2 November 2026 · in German
- Fiabilité Chevrolet Cruze (2009-2015): pannes et témoignagesfiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
- Renault Twingo (ab 1993): Schwachstellen laut TÜV-AuswertungAUTO BILD · Motoring press · published February 2002 · consulted 2 November 2026 · in German