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MotorFiable

1.0 PureTech vs Rover K-Series: which engine is more reliable?

According to our risk index, the Rover K-Series carries less risk than the 1.0 PureTech: 46/100 (moderate risk) versus 59/100 (high risk). The 1.0 PureTech has 2 documented serious faults, the main one being «Excessive oil consumption through the piston rings»; the Rover K-Series has 2 documented serious faults, the main one being «Head gasket failure».

Risk index

1.0 PureTech

59

High risk · 2 serious faults

Risk index

Rover K-Series

46

Moderate risk · 2 serious faults

Lower risk

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

15 sourcesHow we work

Is the 1.0 PureTech reliable?

It is a simple naturally aspirated three-cylinder, but with two documented weak points: oil consumption through the piston rings, which Stellantis acknowledges across its entire production (2012-2016), and the oil-bath timing belt it shares with the 1.2. It is only recommended with a full service history, a consumption test and a checked belt.[1][2][3][4]

See the 3 of the 1.0 PureTech faults

Is the Rover K-Series reliable?

The Rover K-Series has one very well-known fault: the head gasket, which according to Diariomotor can fail at under 100,000 km and which technical sources link to a small cooling circuit and a badly placed thermostat. The usual repair uses the multi-layer (MLS) gasket developed for the Freelander; the other two documented faults (sunken liners and coolant leaks) are related to that same circuit.[5][6][7][8]

See the 3 of the Rover K-Series faults

Side-by-side comparison

Comparison of 1.0 PureTech and Rover K-Series
1.0 PureTechRover K-Series
Technical data
TypeEngineEngine
FuelPetrolPetrol
Displacement999 cm³—
TimingWet belt (belt-in-oil)Timing belt (dry)
Power68 hp60–160 hp
Production2012–2016[2][3][9][10]1990–2005[6][11]
Reliability
Risk index (what is it?)59High risk46Moderate risk
Documented faults33
Of high or critical severity22
Worst severityCritical severityHigh severity
Main faults
  1. High severity: Excessive oil consumption through the piston rings
  2. Critical severity: Degradation of the oil-bath timing belt
  3. Low severity: Ignition coil and spark plug failure
  1. High severity: Head gasket failure
  2. High severity: Sunken cylinder liners and warped head after overheating
  3. Medium severity: Coolant leaks: expansion tank cap, rear block rail and hoses
Most expensive documented repairup to €1,200Degradation of the oil-bath timing beltPublished figure[12][13]No reliable data
Which versions to buy
BuyRecommended versionsNoneNone
With cautionVersions to be cautious about
  • 1.1 K8 60 hp / K16 75 hp (Rover 25, 1998-2005)[5][8]
  • 1.4 8V/16V 74-103 hp (14K2F / 14K4F, 1995-2005)[5][7]
  • 1.6 16V 109-116 hp (16K4F, 1995-2005)[5][7]
  • 1.8 16V 117-136 hp (18K4F, 1995-2005)[5][7][14]
  • 1.8 VVC 145-160 hp (18K4K, 1995-2005)[14][15]
  • 1.8 T turbo 150-160 hp (18K4T, 2002-2005)[5][8]
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

1.0 PureTech

Rover K-Series

See the 12 models with the Rover K-Series

Other comparisons

With the 1.0 PureTech

With the Rover K-Series

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Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Citroën, DS, Opel, Peugeot 1.2 PureTech. Nouvelle prise en charge pour la consommation d'huileL'argus · Motoring press · published 30 March 2024 · consulted 26 September 2026 · in French
  2. Moteur EBWikipédia · Other source · consulted 26 September 2026 · in French
  3. PSA inaugure son « trois-pattes »L'argus · Motoring press · published 28 December 2011 · consulted 26 September 2026 · in French
  4. Moteurs PureTech - Stellantis prend a minima ses responsabilitésUFC-Que Choisir · Consumer association · published 18 January 2025 · consulted 26 September 2026 · in French
  5. Guía de compra del MG TF de segunda manoDiariomotor · Motoring press · published 7 November 2023 · consulted 8 October 2026 · in Spanish
  6. MG TF (2002)Wikipedia (en) · Other source · consulted 8 October 2026
  7. Choosing the correct K Series Head Gasket KitDMGRS · Technical documentation · consulted 8 October 2026
  8. Cooling and heating (K-Series: ZR, ZS, ZT, MGF, TF)MGOC Spares · Technical documentation · consulted 8 October 2026
  9. Peugeot 208 5p Access 1.0 PureTech 68 (2012-2015): precio y ficha técnicakm77 · Technical documentation · consulted 26 September 2026 · in Spanish
  10. Prueba de consumo (126): Peugeot 208 1.0-VTi 68 CVkm77 · Motoring press · published 5 August 2013 · consulted 26 September 2026 · in Spanish
  11. Rover K-series engineWikipedia (en) · Other source · consulted 8 October 2026
  12. 1.2 PureTech: precio y cambio de correa de distribuciónAutopista · Motoring press · published 2 August 2026 · consulted 26 September 2026 · in Spanish
  13. Motor ZMZ EB0 Citroën Peugeot C3 II 208 I 1.0 VTi 68 CV usado y reconstruidoFair Motors · Technical documentation · consulted 26 September 2026 · in Spanish
  14. MG ZR ZS ZT & Modern Engine & FuelMGOC Spares · Technical documentation · consulted 8 October 2026
  15. MGF & TF Headgasket Repair KitsMGOC Spares · Technical documentation · consulted 8 October 2026