Maintenance schedule

Estimated maintenance schedule for the 2021 Ram 1500

GarageHub's estimates for the 2021 1500, not the manufacturer's maintenance schedule.

DT (5th gen) · 3.6L Pentastar V6 / 5.7L HEMI V8 / 3.0L EcoDiesel V6 · Rev + Daniel Georgiev

Short answer

GarageHub estimates the 2021 Ram 1500 oil change interval at every 10,000 mi or 12 months, whichever comes first (estimated cost $60-$120); this is not the manufacturer's figure, so check your owner's manual.

Service intervals

GarageHub estimates for the 2021 Ram 1500, not taken from the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.

GarageHub estimates for the 2021 Ram 1500, not taken from the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.
ServiceEveryEst. CostStatus
Engine Oil & FilterSafety itemGuide How to Change Your Oil · The engine oil system: what every part does10,000 mi / 12 mo≈ 16,000 km / 12 mo$60-$120
Tire RotationSafety itemGuide How to Rotate Your Tires at Home · How to Choose and Use a Torque Wrench7,500 mi≈ 12,000 km$35-$60
Cabin Air FilterGuide How to Replace Your Cabin Air Filter20,000 mi / 24 mo≈ 32,000 km / 24 mo$20-$45
Engine Air FilterGuide How to Replace Your Air Filter (Engine & Cabin)30,000 mi≈ 48,000 km$25-$50
Brake Fluid FlushSafety itemGuide How to Bleed Brakes (and Change Brake Fluid)48 mo$90-$140
Brake Pad Inspection & ReplacementSafety itemGuide How to Change Brake Pads: Step-by-Step Guide40,000 mi≈ 64,000 km$180-$350
Coolant FlushGuide How to Flush Your Coolant System100,000 mi / 120 mo≈ 161,000 km / 120 mo$120-$180
Transmission Fluid & FilterSafety itemGuide How to Change Transmission Fluid60,000 mi≈ 97,000 km$200-$350
Spark PlugsGuide How to Change Spark Plugs · How to Choose and Use a Torque Wrench100,000 mi≈ 161,000 km$180-$300
Differential Fluid (Rear)Guide How to Change Differential Fluid (Rear Axle and Front 4x4)50,000 mi≈ 80,000 km$90-$150
Transfer Case Fluid (4WD only)Guide How to Change Transfer Case Fluid (4x4 and AWD)60,000 mi≈ 97,000 km$80-$130
EcoDiesel DEF System & DPF ServiceSafety item10,000 mi≈ 16,000 km$30-$80
Battery Inspection & ReplacementGuide How to Replace a Car Battery (on a Modern Car) · The car battery and charging system: what every part does48 mo$150-$280
Serpentine Belt InspectionGuide How to Replace a Serpentine Belt100,000 mi≈ 161,000 km$80-$150

≈ converted from the other unit and rounded.

Est. costs are US-typical, in USD.

What happens if you skip it

  • Neglecting transmission fluid changes on the 8-speed TorqueFlite can lead to harsh shifting, torque converter shudder, and eventual transmission failure requiring $4,000+ replacement
  • Skipping EcoDiesel DEF refills triggers progressive power derating, eventually limiting speed to 5 mph until the system is serviced
  • Ignoring differential fluid changes under towing loads accelerates gear wear and can cause catastrophic rear-end failure, especially in limited-slip units
  • Deferred brake fluid flushes lead to moisture contamination that corrodes the ABS module—a $1,200+ repair on this generation
  • Incomplete DPF regeneration cycles on the EcoDiesel (from skipped highway drives) cause soot accumulation requiring forced regens or DPF replacement at $2,500+
  • Delaying coolant service on the EcoDiesel risks water pump and EGR cooler failure, both expensive repairs on the turbocharged V6

Common issues at higher mileage

60,000+ mi
5.7L HEMI engines may develop lifter tick or 'HEMI tick' due to MDS (cylinder deactivation) system; some owners report improved behavior with more frequent oil changes
80,000+ mi
EcoDiesel EGR cooler and emissions system components can develop carbon buildup or coolant leaks, sometimes requiring warranty extension coverage
70,000+ mi
8-speed TorqueFlite transmission may exhibit shudder or delayed engagement if fluid is not changed; TSBs address some shift quality concerns
100,000+ mi
Front suspension components (ball joints, control arm bushings) show accelerated wear on trucks used for heavy towing or off-road driving
90,000+ mi
Rear coil spring suspension bushings and shocks (or air suspension components on equipped models) may develop wear, noise, or leaks, particularly on trucks with heavy payload or frequent bed loading
120,000+ mi
Water pump and thermostat housing leaks become more common across all three engines as plastic components age and gaskets deteriorate

Common questions about the 2021 Ram 1500

How often does a 2021 Ram 1500 need an oil change?

GarageHub estimates the 2021 Ram 1500 oil change interval at every 10,000 mi or 12 months, whichever comes first (estimated cost $60-$120); this is not the manufacturer's figure, so check your owner's manual.

What maintenance does a 2021 Ram 1500 need?

GarageHub's estimate of the services not to skip on a 2021 Ram 1500: engine oil & filter every 10,000 mi / 12 mo; tire rotation every 7,500 mi; brake fluid flush every 48 mo; brake pad inspection & replacement every 40,000 mi; transmission fluid & filter every 60,000 mi. These intervals are estimates, not the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.

What goes wrong on a Ram 1500 at higher mileage?

What owners report as the miles add up — 60,000+ mi: 5.7L HEMI engines may develop lifter tick or 'HEMI tick' due to MDS (cylinder deactivation) system; some owners report improved behavior with more frequent oil changes 80,000+ mi: EcoDiesel EGR cooler and emissions system components can develop carbon buildup or coolant leaks, sometimes requiring warranty extension coverage 70,000+ mi: 8-speed TorqueFlite transmission may exhibit shudder or delayed engagement if fluid is not changed; TSBs address some shift quality concerns 100,000+ mi: Front suspension components (ball joints, control arm bushings) show accelerated wear on trucks used for heavy towing or off-road driving 90,000+ mi: Rear coil spring suspension bushings and shocks (or air suspension components on equipped models) may develop wear, noise, or leaks, particularly on trucks with heavy payload or frequent bed loading 120,000+ mi: Water pump and thermostat housing leaks become more common across all three engines as plastic components age and gaskets deteriorate