K4R420 Rover K4R420
Атмосферний 4-циліндровий двигун, відомий своєю простотою та надійністю при належному обслуговуванні.
9
Brand engines
3
Modifications
Technical Specifications
| Engine Displacement | 2.0 L (1,800 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 120 - 145 л.с. |
| Torque | 160 - 190 Н*м |
| Cylinder Bore | 82.00 mm |
| Piston Stroke | 88.00 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, UK |
Maintenance
| Engine Oil Capacity | 4.5 L (with filter: 5 L) |
| Recommended Viscosity | 10W-40 |
| Oil Standard | ACEA A3/B3 |
| Recommended Brands | Castrol GTX, Mobil 1, Shell Helix |
| Oil Change Interval | 12 000 km or 12 mo |
| Oil Filter | K4R420-OL |
| Air Filter |
K4R420-AF
Replace every 30 000 km |
| Spark Plugs |
Type: Copper Part number: K4R420-SPGap: 1 mm Quantity: 4 pcs Replace every 30 000 km |
| Coolant Capacity | 6 L |
| Coolant Type | G11 (Rover Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 90°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 500-800 USD |
Reliability
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 | $300-600 |
Known defects
- Oil leaks from the cam cover
- Overheating issues in high mileage engines
Warranty extensions
- No official warranty extensions available
Tuning potential
Tuning potential: Medium | Max. safe power: 220 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 160 hp | 200 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 180 hp | 220 Nm |
- Required: Cold air intake, ECU remap Reliability impact: Low |
$1200 |
| Stage 3 | 200 hp | 240 Nm |
- Required: Turbocharger kit, ECU remap Reliability impact: Medium |
$3000 |
Popular modifications
- ECU remap
- Cold air intake
- Exhaust system upgrade
Tuning limitations
- Stock internals limit power to ~200hp
- Cooling system upgrades required for high power
Cars with the K4R420 engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Rover | Streetwise | Streetwise | 2003 - 2005 |
All modifications (3)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Rover Streetwise | Streetwise | 2.0 16V 135 л.с. 5-МКП 2WD | 135 hp | 5-МКП | 2WD |
| Rover Streetwise | Streetwise | 2.0 16V 135 л.с. 6-МКП 2WD | 135 hp | 6-МКП | 2WD |
| Rover Streetwise | Streetwise | 2.0 16V 135 л.с. 7-Автомат 2WD | 135 hp | 7-Автомат | 2WD |
Interesting Facts
- The K series engine was known for its lightweight design.
- It was used in various Rover and MG models.
Applications
Total produced: 200000
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Rover Rover 25 | Rover 25 | 1995-2005 | 120hp/145hp | Europe, Asia |
| MG MG ZR | MG ZR | 2001-2005 | 120hp/145hp | 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) | 6.5 L/100km |
| Consumption (Combined) | 8 L/100km |
| Real Consumption | 8.5 L/100km |
| Fuel Tank Capacity | 50 L |
| Range | 625 km |
| Cost per 100 km | 10-15 USD |
Emissions Standards
| Emission Standard | Euro 3 |
| CO₂ Emissions | 180 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |