1.0/1.2/1.4 Ecotec vs VR6: which engine is more reliable?
According to our risk index, the VR6 carries less risk than the 1.0/1.2/1.4 Ecotec: 50/100 versus 59/100 (both high risk). The 1.0/1.2/1.4 Ecotec has 1 documented serious fault, the main one being «Timing chain stretch and breakage»; the VR6 has 1 documented serious fault, the main one being «VR6 timing chain and tensioners».
The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated
Is the 1.0/1.2/1.4 Ecotec reliable?
The naturally aspirated 1.0, 1.2 and 1.4 Ecotec engines from Opel/Vauxhall (GM Family 0; Z10XEP, Z12XEP/A12XER, Z14XEP/A14XER) powered much of the brand's small-car range between 2003 and 2019. It is a simple block with no systematically documented catastrophic engine failures, but with a timing chain tensioner that, according to several sources, does not last well, frequent coil failures and water pump or thermostat problems, and an Easytronic gearbox criticised for the way it changes gear.[1][2][3][4][5][6]
See the 6 of the 1.0/1.2/1.4 Ecotec faultsIs the VR6 reliable?
Its best-documented faults are the timing chain, with tensioners on the 12-valve versions and stretching on the 3.2 (R32, A3 8P, TT, Cayenne), and, to a lesser extent, the cooling system of the 12-valve versions. The 3.6 FSI comes out of the sources better than the 3.2.[7][8][9]
See the 2 of the VR6 faultsSide-by-side comparison
| Item | 1.0/1.2/1.4 Ecotec | VR6 |
|---|---|---|
| Technical data | ||
| Type | Engine | Engine |
| Fuel | Petrol | Petrol |
| Displacement | — | — |
| Timing | Chain | Chain |
| Power | 60–100 hp | 140–300 hp |
| Production | 1996–2019[10][11][12] | 1991–2024[13][14][15] |
| Reliability | ||
| Risk index (what is it?) | 59High risk | 50High risk |
| Documented faults | 6 | 2 |
| Of high or critical severity | 1 | 1 |
| Worst severity | Critical severity | Critical severity |
| Main faults |
|
|
| Most expensive documented repair | up to €1,400Timing chain stretch and breakagePublished figure[16] | No reliable data |
| Which versions to buy | ||
| BuyRecommended versions | None | None |
| With cautionVersions to be cautious about |
| |
| 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 1.0/1.2/1.4 Ecotec
- 1.0/1.2/1.4 Ecotec vs 1.2 PureTech
- 1.0/1.2/1.4 Ecotec vs 1.0 PureTech
- 1.0/1.2/1.4 Ecotec vs 1.2 and 1.4 TSI
- 1.0/1.2/1.4 Ecotec vs 1.0 TSI / 1.5 TSI
- 1.0/1.2/1.4 Ecotec vs 1.2 TCe
- 1.0/1.2/1.4 Ecotec vs 1.0 EcoBoost
- 1.0/1.2/1.4 Ecotec vs 1.3 TCe
- 1.0/1.2/1.4 Ecotec vs 1.6 EcoBoost
- 1.0/1.2/1.4 Ecotec vs 2.0 TSI / TFSI
- 1.0/1.2/1.4 Ecotec vs Audi 3.0 TFSI V6
- 1.0/1.2/1.4 Ecotec vs 2.4, 2.8 and 3.0 V6 30v
- 1.0/1.2/1.4 Ecotec vs BMW B38 / B37
- 1.0/1.2/1.4 Ecotec vs BMW B48 / B38
- 1.0/1.2/1.4 Ecotec vs BMW B58
- 1.0/1.2/1.4 Ecotec vs M43 1.6, 1.8 and 1.9
- 1.0/1.2/1.4 Ecotec vs M50 and M52
- 1.0/1.2/1.4 Ecotec vs BMW M54
- 1.0/1.2/1.4 Ecotec vs BMW N13
- 1.0/1.2/1.4 Ecotec vs BMW N20
- 1.0/1.2/1.4 Ecotec vs N42 and N45 1.6, 1.8 and 2.0
- 1.0/1.2/1.4 Ecotec vs BMW N43/N46
- 1.0/1.2/1.4 Ecotec vs BMW N52 / N53
- 1.0/1.2/1.4 Ecotec vs BMW N54/N55
- 1.0/1.2/1.4 Ecotec vs BMW N62 / N63
- 1.0/1.2/1.4 Ecotec vs 1.0, 1.2 and 1.4 Fire
- 1.0/1.2/1.4 Ecotec vs 1.4 T-Jet
- 1.0/1.2/1.4 Ecotec vs 1.0 T3 and 1.3 T4 FireFly Turbo
- 1.0/1.2/1.4 Ecotec vs 0.9 TwinAir and 1.0/1.3 FireFly
- 1.0/1.2/1.4 Ecotec vs 1.5 EcoBoost
- 1.0/1.2/1.4 Ecotec vs 1.25/1.4/1.6 Ti-VCT
- 1.0/1.2/1.4 Ecotec vs 2.0 EcoBoost
- 1.0/1.2/1.4 Ecotec vs 2.3 EcoBoost
- 1.0/1.2/1.4 Ecotec vs 1.0-1.6 8v Endura-E, Duratec 8v and RoCam
- 1.0/1.2/1.4 Ecotec vs 1.8 and 2.0 Zetec-E
- 1.0/1.2/1.4 Ecotec vs 1.0 and 1.2 de 3 cilindros (Onix and Tracker)
- 1.0/1.2/1.4 Ecotec vs 1.4 / 1.6 16v E-TEC II
- 1.0/1.2/1.4 Ecotec vs 0.8 / 1.0 / 1.2 S-TEC
- 1.0/1.2/1.4 Ecotec vs 1.2, 1.4 and 1.6 8V (Family 1)
- 1.0/1.2/1.4 Ecotec vs Family II 2.0 and 2.4 gasolina
- 1.0/1.2/1.4 Ecotec vs 1.2 / 1.4 / 1.8 i-VTEC
- 1.0/1.2/1.4 Ecotec vs 1.0 / 1.5 VTEC Turbo
- 1.0/1.2/1.4 Ecotec vs 2.0 / 2.4 i-VTEC
- 1.0/1.2/1.4 Ecotec vs Honda e:HEV / i-MMD
- 1.0/1.2/1.4 Ecotec vs Honda IMA híbrido
- 1.0/1.2/1.4 Ecotec vs 1.0 T-GDI
- 1.0/1.2/1.4 Ecotec vs 1.6 GDI / T-GDI
- 1.0/1.2/1.4 Ecotec vs 1.6 GDi híbrido (Kappa)
- 1.0/1.2/1.4 Ecotec vs 1.3, 1.4 and 1.6 Alpha
- 1.0/1.2/1.4 Ecotec vs 1.8 / 2.0 Beta II
- 1.0/1.2/1.4 Ecotec vs 1.0 and 1.1 Epsilon
- 1.0/1.2/1.4 Ecotec vs 1.4 / 1.6 MPI Gamma
- 1.0/1.2/1.4 Ecotec vs 1.0 / 1.25 MPi
- 1.0/1.2/1.4 Ecotec vs 1.8 / 2.0 Nu
- 1.0/1.2/1.4 Ecotec vs Smartstream 1.6 T-GDi
- 1.0/1.2/1.4 Ecotec vs 2.0 / 2.4 GDI and T-GDI (Theta II)
- 1.0/1.2/1.4 Ecotec vs 2.0 and 3.0 Ingenium gasolina
- 1.0/1.2/1.4 Ecotec vs 2.3 MZR DISI Turbo
- 1.0/1.2/1.4 Ecotec vs MZR gasolina
- 1.0/1.2/1.4 Ecotec vs Skyactiv-G
- 1.0/1.2/1.4 Ecotec vs M111
- 1.0/1.2/1.4 Ecotec vs M112 / M113
- 1.0/1.2/1.4 Ecotec vs M264/M254
- 1.0/1.2/1.4 Ecotec vs M266 (1.5, 1.7, 2.0 and 2.0 Turbo)
- 1.0/1.2/1.4 Ecotec vs M260
- 1.0/1.2/1.4 Ecotec vs M271
- 1.0/1.2/1.4 Ecotec vs M272/M273
- 1.0/1.2/1.4 Ecotec vs M270/M274
- 1.0/1.2/1.4 Ecotec vs M276
- 1.0/1.2/1.4 Ecotec vs 1.5 VTi-TECH / T-GDI
- 1.0/1.2/1.4 Ecotec vs MIVEC gasolina
- 1.0/1.2/1.4 Ecotec vs Mitsubishi PHEV
- 1.0/1.2/1.4 Ecotec vs 1.6 DIG-T
- 1.0/1.2/1.4 Ecotec vs 1.5 VC-Turbo e-Power
- 1.0/1.2/1.4 Ecotec vs 1.2 HR12DE and 1.2 DIG-S (HR12DDR)
- 1.0/1.2/1.4 Ecotec vs 2.0 MR20DE / 2.5 QR25DE
- 1.0/1.2/1.4 Ecotec vs 1.5/1.6/1.8 QG
- 1.0/1.2/1.4 Ecotec vs 1.6 16v HR16DE / H4M
- 1.0/1.2/1.4 Ecotec vs 1.4 Turbo
- 1.0/1.2/1.4 Ecotec vs 1.6 and 1.8 Ecotec 16v
- 1.0/1.2/1.4 Ecotec vs 2.2 Ecotec gasolina
- 1.0/1.2/1.4 Ecotec vs Porsche MA1 / 9A1
- 1.0/1.2/1.4 Ecotec vs Porsche M96/M97
- 1.0/1.2/1.4 Ecotec vs Porsche V8 and V6 (Cayenne and Panamera)
- 1.0/1.2/1.4 Ecotec vs 1.4 and 1.6 TU3/TU5
- 1.0/1.2/1.4 Ecotec vs 1.4/1.6 VTi
- 1.0/1.2/1.4 Ecotec vs 1.6 THP
- 1.0/1.2/1.4 Ecotec vs 1.8, 2.0 and 2.2 16v EW7/EW10/EW12
- 1.0/1.2/1.4 Ecotec vs 1.8 and 2.0 XU
- 1.0/1.2/1.4 Ecotec vs 0.9 TCe
- 1.0/1.2/1.4 Ecotec vs 1.0 SCe (B4D)
- 1.0/1.2/1.4 Ecotec vs 1.0 TCe / SCe
- 1.0/1.2/1.4 Ecotec vs 1.4 and 1.6 8v
- 1.0/1.2/1.4 Ecotec vs 1.8 TCe
- 1.0/1.2/1.4 Ecotec vs 1.2 16v
- 1.0/1.2/1.4 Ecotec vs 1.2 8v
- 1.0/1.2/1.4 Ecotec vs E-Tech Híbrido
- 1.0/1.2/1.4 Ecotec vs 2.0 16v F4R and F4RT
- 1.0/1.2/1.4 Ecotec vs 1.4 and 1.6 16v
- 1.0/1.2/1.4 Ecotec vs Rover K-Series
- 1.0/1.2/1.4 Ecotec vs 1.0 and 1.4 Boosterjet
- 1.0/1.2/1.4 Ecotec vs 1.2 Dualjet and 1.2 VVT
- 1.0/1.2/1.4 Ecotec vs 1.5 K15B (Jimny)
- 1.0/1.2/1.4 Ecotec vs 1.3, 1.5 and 1.6 gasolina (serie M)
- 1.0/1.2/1.4 Ecotec vs 1.0 VVT-i
- 1.0/1.2/1.4 Ecotec vs 1.2 Turbo
- 1.0/1.2/1.4 Ecotec vs 1.33 Dual VVT-i
- 1.0/1.2/1.4 Ecotec vs 1.4, 1.6 and 1.8 VVT-i
- 1.0/1.2/1.4 Ecotec vs 1.5 Hybrid
- 1.0/1.2/1.4 Ecotec vs 1.6 Dual VVT-i
- 1.0/1.2/1.4 Ecotec vs 1.8 Hybrid
- 1.0/1.2/1.4 Ecotec vs 2.7 and 4.0 gasolina (2TR-FE and 1GR-FE)
- 1.0/1.2/1.4 Ecotec vs 2.0 and 2.4 VVT-i
- 1.0/1.2/1.4 Ecotec vs 2.0 and 2.5 Hybrid
- 1.0/1.2/1.4 Ecotec vs Volvo 5 cilindros gasolina
- 1.0/1.2/1.4 Ecotec vs Drive-E gasolina
- 1.0/1.2/1.4 Ecotec vs 1.0 MPI
- 1.0/1.2/1.4 Ecotec vs 1.2 12V
- 1.0/1.2/1.4 Ecotec vs 1.4 16v and 1.6 FSI
- 1.0/1.2/1.4 Ecotec vs 1.8 T 20v
- 1.0/1.2/1.4 Ecotec vs 2.0 FSI
- 1.0/1.2/1.4 Ecotec vs VW 2.0 TFSI EA113
- 1.0/1.2/1.4 Ecotec vs 2.3 VR5 (V5)
- 1.0/1.2/1.4 Ecotec vs 1.0, 1.4 and 1.6 8v EA111
- 1.0/1.2/1.4 Ecotec vs 1.6 and 2.0 8v EA827
With the VR6
- VR6 vs 1.2 PureTech
- VR6 vs 1.0 PureTech
- VR6 vs 1.2 and 1.4 TSI
- VR6 vs 1.0 TSI / 1.5 TSI
- VR6 vs 1.2 TCe
- VR6 vs 1.0 EcoBoost
- VR6 vs 1.3 TCe
- VR6 vs 1.6 EcoBoost
- VR6 vs 2.0 TSI / TFSI
- VR6 vs Audi 3.0 TFSI V6
- VR6 vs 2.4, 2.8 and 3.0 V6 30v
- VR6 vs BMW B38 / B37
- VR6 vs BMW B48 / B38
- VR6 vs BMW B58
- VR6 vs M43 1.6, 1.8 and 1.9
- VR6 vs M50 and M52
- VR6 vs BMW M54
- VR6 vs BMW N13
- VR6 vs BMW N20
- VR6 vs N42 and N45 1.6, 1.8 and 2.0
- VR6 vs BMW N43/N46
- VR6 vs BMW N52 / N53
- VR6 vs BMW N54/N55
- VR6 vs BMW N62 / N63
- VR6 vs 1.0, 1.2 and 1.4 Fire
- VR6 vs 1.4 T-Jet
- VR6 vs 1.0 T3 and 1.3 T4 FireFly Turbo
- VR6 vs 0.9 TwinAir and 1.0/1.3 FireFly
- VR6 vs 1.5 EcoBoost
- VR6 vs 1.25/1.4/1.6 Ti-VCT
- VR6 vs 2.0 EcoBoost
- VR6 vs 2.3 EcoBoost
- VR6 vs 1.0-1.6 8v Endura-E, Duratec 8v and RoCam
- VR6 vs 1.8 and 2.0 Zetec-E
- VR6 vs 1.0 and 1.2 de 3 cilindros (Onix and Tracker)
- VR6 vs 1.4 / 1.6 16v E-TEC II
- VR6 vs 0.8 / 1.0 / 1.2 S-TEC
- VR6 vs 1.2, 1.4 and 1.6 8V (Family 1)
- VR6 vs Family II 2.0 and 2.4 gasolina
- VR6 vs 1.2 / 1.4 / 1.8 i-VTEC
- VR6 vs 1.0 / 1.5 VTEC Turbo
- VR6 vs 2.0 / 2.4 i-VTEC
- VR6 vs Honda e:HEV / i-MMD
- VR6 vs Honda IMA híbrido
- VR6 vs 1.0 T-GDI
- VR6 vs 1.6 GDI / T-GDI
- VR6 vs 1.6 GDi híbrido (Kappa)
- VR6 vs 1.3, 1.4 and 1.6 Alpha
- VR6 vs 1.8 / 2.0 Beta II
- VR6 vs 1.0 and 1.1 Epsilon
- VR6 vs 1.4 / 1.6 MPI Gamma
- VR6 vs 1.0 / 1.25 MPi
- VR6 vs 1.8 / 2.0 Nu
- VR6 vs Smartstream 1.6 T-GDi
- VR6 vs 2.0 / 2.4 GDI and T-GDI (Theta II)
- VR6 vs 2.0 and 3.0 Ingenium gasolina
- VR6 vs 2.3 MZR DISI Turbo
- VR6 vs MZR gasolina
- VR6 vs Skyactiv-G
- VR6 vs M111
- VR6 vs M112 / M113
- VR6 vs M264/M254
- VR6 vs M266 (1.5, 1.7, 2.0 and 2.0 Turbo)
- VR6 vs M260
- VR6 vs M271
- VR6 vs M272/M273
- VR6 vs M270/M274
- VR6 vs M276
- VR6 vs 1.5 VTi-TECH / T-GDI
- VR6 vs MIVEC gasolina
- VR6 vs Mitsubishi PHEV
- VR6 vs 1.6 DIG-T
- VR6 vs 1.5 VC-Turbo e-Power
- VR6 vs 1.2 HR12DE and 1.2 DIG-S (HR12DDR)
- VR6 vs 2.0 MR20DE / 2.5 QR25DE
- VR6 vs 1.5/1.6/1.8 QG
- VR6 vs 1.6 16v HR16DE / H4M
- VR6 vs 1.4 Turbo
- VR6 vs 1.6 and 1.8 Ecotec 16v
- VR6 vs 2.2 Ecotec gasolina
- VR6 vs Porsche MA1 / 9A1
- VR6 vs Porsche M96/M97
- VR6 vs Porsche V8 and V6 (Cayenne and Panamera)
- VR6 vs 1.4 and 1.6 TU3/TU5
- VR6 vs 1.4/1.6 VTi
- VR6 vs 1.6 THP
- VR6 vs 1.8, 2.0 and 2.2 16v EW7/EW10/EW12
- VR6 vs 1.8 and 2.0 XU
- VR6 vs 0.9 TCe
- VR6 vs 1.0 SCe (B4D)
- VR6 vs 1.0 TCe / SCe
- VR6 vs 1.4 and 1.6 8v
- VR6 vs 1.8 TCe
- VR6 vs 1.2 16v
- VR6 vs 1.2 8v
- VR6 vs E-Tech Híbrido
- VR6 vs 2.0 16v F4R and F4RT
- VR6 vs 1.4 and 1.6 16v
- VR6 vs Rover K-Series
- VR6 vs 1.0 and 1.4 Boosterjet
- VR6 vs 1.2 Dualjet and 1.2 VVT
- VR6 vs 1.5 K15B (Jimny)
- VR6 vs 1.3, 1.5 and 1.6 gasolina (serie M)
- VR6 vs 1.0 VVT-i
- VR6 vs 1.2 Turbo
- VR6 vs 1.33 Dual VVT-i
- VR6 vs 1.4, 1.6 and 1.8 VVT-i
- VR6 vs 1.5 Hybrid
- VR6 vs 1.6 Dual VVT-i
- VR6 vs 1.8 Hybrid
- VR6 vs 2.7 and 4.0 gasolina (2TR-FE and 1GR-FE)
- VR6 vs 2.0 and 2.4 VVT-i
- VR6 vs 2.0 and 2.5 Hybrid
- VR6 vs Volvo 5 cilindros gasolina
- VR6 vs Drive-E gasolina
- VR6 vs 1.0 MPI
- VR6 vs 1.2 12V
- VR6 vs 1.4 16v and 1.6 FSI
- VR6 vs 1.8 T 20v
- VR6 vs 2.0 FSI
- VR6 vs VW 2.0 TFSI EA113
- VR6 vs 2.3 VR5 (V5)
- VR6 vs 1.0, 1.4 and 1.6 8v EA111
- VR6 vs 1.6 and 2.0 8v EA827
Compare other engines
Sources
Every fact on this page links to its source. If you find an error, let us know.
- Distribution : les moteurs à problèmesFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Opel Corsa 3 : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Opel Astra (2004-2010) : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Opel Meriva (2003-2009) : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Opel Adam : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Opel Astra H: Probleme & KaufberatungGebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
- VW Golf III VR6 (1991-1998)AutoBild · Motoring press · published 1 September 2003 · consulted 2 November 2026 · in German
- VW Golf IV (1J): Schwachstellen und KaufberatungGebrauchtwagenberater.de · Motoring press · consulted 2 November 2026 · in German
- Gebrauchtwagen-Kaufberater: Was kann der Porsche Cayenne 9PA?AutoScout24 · Motoring press · consulted 2 November 2026 · in German
- GM Family 0 engineWikipedia (inglés) · Other source · consulted 27 September 2026
- Opel Corsa CWikipedia (alemán) · Other source · consulted 27 September 2026 · in German
- Opel AdamWikipedia (inglés) · Other source · consulted 27 September 2026
- VR6 engineWikipedia (inglés) · Other source · consulted 2 November 2026
- VR6-MotorWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
- VW EA390Wikipedia (alemán) · Other source · consulted 2 November 2026 · in German
- Opel Corsa 4 : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Fiabilité Opel Corsa (1993-2000) : pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
- Opel Corsa B (1993-2000)Auto Bild · Motoring press · published May 2004 · consulted 2 November 2026 · in German
- Vételi tanácsadó: Opel Corsa BAutonavigator.hu · Motoring press · consulted 2 November 2026 · in another language
- Tous les problèmes sur Volkswagen Golf III (1991-1998)Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
- Seat Leon I: Bekannte Probleme & RückrufeGebrauchtwagenberater.de · Motoring press · published 9 April 2025 · consulted 2 November 2026 · in German
- VW Bora (1J2): Typische Probleme & SchwachstellenGebrauchtwagenberater.de · Motoring press · published 14 July 2022 · consulted 2 November 2026 · in German
- VW Golf 4: ProblemeCarWiki.de · Other source · consulted 2 November 2026 · in German
- Audi TT: ProblemeCarWiki.de · Other source · consulted 2 November 2026 · in German
- VW Passat CC: Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 2 November 2026 · in German
- Probleme mit dem Porsche Cayenne (9PA y 92A)CarWiki.de · Other source · consulted 2 November 2026 · in German
- Tous les problèmes sur Volkswagen Passat (2004-2010)Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French