K18A Rover K18A

Атмосферний 4-циліндровий двигун, відомий своєю простотою та надійністю, але схильний до перегріву при недостатньому обслуговуванні.

Brand: Rover Type: Petrol Configuration: Inline-4 Production Years: 1996 - 2005 Production: Longbridge, United Kingdom
9 Brand engines
4 Modifications

Technical Specifications

Engine Displacement 1.8 L (1,796 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 4
Power 120 - 135 л.с.
Torque 160 - 170 Н*м
Cylinder Bore 82.00 mm
Piston Stroke 89.00 mm
Compression Ratio 10.0:1
Firing Order 1-3-4-2
Fuel System Multi-point Fuel Injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 6,500 rpm
Max Torque RPM 4,000 rpm
Valve Train DOHC
Timing Drive Belt
Timing belt replacement interval 100,000 km
Block Material Aluminum
Head Material Aluminum
Engine Weight 130 kg
Dimensions (L×W×H) 600 × 500 × 600 mm
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family Rover K series
Manufacturing Plant Longbridge, United Kingdom

Maintenance

Engine Oil Capacity 4.5 L (with filter: 5 L)
Recommended Viscosity 10W-40
Oil Standard API SL
Recommended Brands Castrol GTX, Mobil 1, Shell Helix
Oil Change Interval 10 000 km or 12 mo
Oil Filter W719/7
Air Filter WIX 49000
Replace every 30 000 km
Spark Plugs Type: Copper
Part number: NGK BKR6E
Gap: 1 mm
Quantity: 4 pcs
Replace every 30 000 km
Coolant Capacity 7 L
Coolant Type G11 (Rover Coolant)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 120°C
Critical Temperature 130°C
Annual Maintenance Cost 500-800 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
Head gasket failure High 100000-150000 km $800-1500
Timing belt wear Medium 80000-120000 km $300-500

Known defects

  • Early models had issues with head gasket
  • Oil leaks from the cam cover

Warranty extensions

  • No known warranty extensions

Tuning potential

Tuning potential: Medium | Max. safe power: 230 hp

Stage Power Torque Method Cost
Stage 1 150 hp 180 Nm ECU remap
Reliability impact: Minimal
$400
Stage 2 180 hp 210 Nm -
Required: Performance exhaust, ECU remap
Reliability impact: Low
$1200
Stage 3 210 hp 240 Nm -
Required: Turbocharger kit, Upgraded fuel system
Reliability impact: Medium
$3000

Popular modifications

Tuning limitations

  • Limited by stock internals
  • Cooling system upgrades recommended for high power

Cars with the K18A engine

This engine was fitted to 3 models

Photo Brand Model Generation Production years
No photo
Rover 45 45 2000 - 2008
No photo
Donkervoort D8 GT D8 GT 2007 - 2012
No photo
Lotus 2-Eleven 2-Eleven 2007 - 2011

All modifications (4)

Vehicle Generation Modification Power Gearbox Drive
Rover 45 45 1.8 16V 120 л.с. 5-МКП 2WD 120 hp 5-МКП 2WD
Donkervoort D8 GT D8 GT 1.8 TFSI 180 л.с. 6-МКП 2WD 180 hp 6-МКП 2WD
Lotus 2-Eleven 2-Eleven 1.8L 4-циліндровий 245 л.с. 6-МКП 2WD 245 hp 6-МКП 2WD
Lotus 2-Eleven 2-Eleven 1.8L 4-циліндровий 245 л.с. 6-Автомат 2WD 245 hp 6-Автомат 2WD

Interesting Facts

  • The K series engines were known for their lightweight design.
  • The K18A was used in various Rover and MG models.

Applications

Total produced: 200000

Vehicle Generation Years Power Markets
Rover Rover 25 Rover 25 1996-2005 120hp/135hp Europe
MG MG ZR MG ZR 2001-2005 120hp/135hp Europe

Compatible transmissions: 5-speed Manual, 6-speed Automatic

Drive types: FWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 95 | Recommended: 95
Consumption (City) 10 L/100km
Consumption (Highway) 6 L/100km
Consumption (Combined) 7.5 L/100km
Real Consumption 8 L/100km
Fuel Tank Capacity 50 L
Range 666 km
Cost per 100 km 10-12 USD

Emissions Standards

Emission Standard Euro 3
CO₂ Emissions 180 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
EA111 Volkswagen 1,781 cc 130 hp 170 Nm
Z18XE Opel 1,796 cc 125 hp 165 Nm

Pros

  • Lightweight and compact design
  • Good performance for its size

Cons

  • Head gasket issues in early models
  • Higher maintenance costs compared to competitors