2020 RAM ProMaster Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2020 RAM ProMaster
- Has 5 NHTSA recalls on record — the most notable involves the air bags.
- Scores 5 points below the strongest nearby year — the 2019 RAM ProMaster earns a 83.
- The system most likely to surface first: transmission (9-speed automatic) (major severity).
The 2020 RAM ProMaster at a glance
- Is the 2020 RAM ProMaster reliable?
- Autojunket rates the 2020 RAM ProMaster 78/100 (grade B-), categorized as moderate risk. A practical FWD work van that requires diligent attention to its common transmission and electrical weaknesses to deliver consistent reliability.
- Should I buy a used 2020 RAM ProMaster?
- Autojunket recommends reading the full reliability report before buying a 2020 RAM ProMaster. The 2020 RAM ProMaster is an incredibly practical and capable van for those who prioritize cargo space and urban maneuverability. However, its known issues with the 9-speed transmission and electrical system are significant and can lead to costly repairs and downtime. A pre-purchase inspection, diligent maintenance,…
- Which RAM ProMaster years are the most reliable?
- Best model years to buy: 2017-2021 (later models of this generation saw some transmission software improvements), 2022+ (new generation with updated powertrain is a better bet). Years to avoid: 2014-2016 (early production models with more pronounced 9-speed transmission issues).
- What are the most common problems with the 2020 RAM ProMaster?
- The top failure points on the 2020 RAM ProMaster are Transmission (9-speed automatic) (typically around 40,000-90,000 miles), Electrical System & Infotainment (typically around 15,000-60,000 miles), Front Suspension & Steering (typically around 50,000-80,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2020 RAM ProMaster?
- The first major mileage danger zone for the 2020 RAM ProMaster is around 30,000. Initial Checkpoint — At this mileage, expect the first signs of any common electrical glitches or infotainment issues. Transmission performance should be monitored for any early hard shifts or hesitation, as initial software updates may be available.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2020 RAM ProMaster?
The 2020 RAM ProMaster is a highly practical and versatile workhorse, offering exceptional cargo capacity and maneuverability for urban use. While its proven V6 engine is a strong asset, consistent electrical gremlins and notable transmission quirks prevent it from being a set-it-and-forget-it option, demanding proactive maintenance and a discerning buyer to ensure a positive ownership experience.
The 2020 RAM ProMaster is an incredibly practical and capable van for those who prioritize cargo space and urban maneuverability. However, its known issues with the 9-speed transmission and electrical system are significant and can lead to costly repairs and downtime. A pre-purchase inspection, diligent maintenance,…
Best Model Years
2017-2021 (later models of this generation saw some transmission software improvements), 2022+ (new generation with updated powertrain is a better bet)
Years to Avoid
2014-2016 (early production models with more pronounced 9-speed transmission issues)
Biggest Strengths
- Vast cargo capacity and low load floor
- Excellent maneuverability and turning radius for its size (FWD)
- Reliable 3.6L Pentastar V6 engine performance
Top Risk Areas
The systems that tend to fail first on the 2020 RAM ProMaster, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
The ZF-sourced 948TE 9-speed automatic transmission is prone to hard shifts, delays, and occasional clunking. Solenoid failures and premature wear of internal components are not uncommon, often requiring software updates, rebuilds, or re…
Owners frequently report issues with the Uconnect infotainment system (freezing, touchscreen unresponsiveness), flickering dash lights, erroneous warning messages, and body control module (BCM) malfunctions. Power sliding door mechanisms…
Due to constant heavy loads and rough road conditions common for commercial use, front suspension components like ball joints, tie rod ends, and control arm bushings can wear prematurely, leading to clunking, vague steering, and uneven t…
2020 RAM ProMaster Mileage Danger Zones
The mileage windows when the 2020 RAM ProMaster most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Initial Checkpoint
At this mileage, expect the first signs of any common electrical glitches or infotainment issues. Transmission performance should be monitored for any early hard shifts or hesitation, as initial software updates may be available.
Maintenance & Inspection Zone
This mileage often necessitates replacement of wear items like brake pads/rotors and tires. It's a critical point to inspect front suspension components for premature wear, especially if the van has seen heavy loads.
Elevated Risk Zone
Beyond 90,000 miles, the risk of significant transmission issues increases, potentially requiring solenoid replacement or more extensive repair. Engine accessory components like belts, hoses, and possibly the water pump may also be neari…
High Risk Zone
At this point, the likelihood of major transmission overhaul or replacement becomes a significant concern. Engine leaks (oil filter housing, thermostat) may appear, and overall electrical system reliability can diminish, leading to more…
2020 RAM ProMaster Ownership Cost Outlook
What it typically costs to keep the 2020 RAM ProMaster on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$500-800
Moderate Repairs
$800-2,500 occasionally
How Long Does the 2020 RAM ProMaster Last?
While the ProMaster's Pentastar engine is known for longevity, be prepared for increased maintenance and potential significant repairs related to the transmission and electrical system once it approaches or exceeds 80,000-100,000 miles.
What 2020 RAM ProMaster Owners Actually Say
What Owners Love
- Exceptional interior cargo volume and versatility for conversions or commercial use
- Best-in-class turning radius and maneuverability for tight urban environments
- Low load floor makes loading and unloading exceptionally easy
- Powerful and relatively fuel-efficient 3.6L Pentastar V6 engine
Common Frustrations
- Persistent issues with the 9-speed automatic transmission (clunky, unreliable shifts)
- Frequent electrical and Uconnect infotainment system glitches and failures
- Interior materials feel cheap and prone to rattles; seats are uncomfortable on long drives
- Significant road noise at highway speeds
Who Should Buy the 2020 RAM ProMaster?
Best For
- Urban delivery businesses and couriers needing maneuverability and cargo space
- Van life conversion enthusiasts due to the flat, low load floor
- Plumbers, electricians, and tradespeople requiring high interior volume
Not Ideal For
- Owners seeking absolute long-term trouble-free reliability without proactive maintenance
- Those who need heavy towing capabilities (FWD limits)
How the 2020 RAM ProMaster Compares to Rivals
The ProMaster excels in urban maneuverability and low load floor design compared to its peers. However, it often falls short against the Ford Transit in terms of powertrain refinement and perceived long-term durability, especially regarding its transmission.
More Reliable Than
- Nissan NV (older design, less fuel-efficient V8 option, higher load floor)
- Ram ProMaster City (smaller, less robust for heavy commercial use)
Comparable To
- Mercedes-Benz Sprinter (similar electrical complexity, more expensive parts/labor, RWD)
- Older generation Chevrolet Express/GMC Savana (more traditional truck-like feel, less cargo flexibility)
NHTSA Recalls
5 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
AIR BAGS
Chrysler (FCA US LLC) is recalling certain 2020 Ram Promaster vans and 1500 pickups. The affected vehicles may have an improperly crimped diffuser in the side curtain airbag which may result in the diffuser detaching from the inflator in the event of an air bag deployment.
POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL
Chrysler (FCA US, LLC) is recalling certain 2019-2021 Ram ProMaster vehicles equipped with a 62TE transmission. The park pawl may not fully engage the park gear due to debris inside the transmission.
What breaks on the 2020 RAM ProMaster?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
Autojunket OSC · OSC Transfer
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RAM ProMaster by Year
Compare AutoScores across nearby years of the RAM ProMaster. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
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Where the 2020 RAM ProMaster report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Related Comparisons
Sell your 2020 RAM ProMaster for what it's actually worth.
Log every service on your RAM ProMaster. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
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- Shareable buyer view link
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