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Chevrolet Suburban vs GMC Acadia

Two fullsize SUVs compared on the numbers that matter β€” maintenance cost, reliability, and insurance.

Buy the GMC Acadia to minimise 5-year ownership cost.
Buy the GMC Acadia if long-term reliability matters most.

Maintenance and ownership cost

Chevrolet SuburbanGMC Acadia
Annual maintenance$944$734winner
5-year total cost$4,720$3,670winner
Reliability score6 / 106 / 10
Major repair risk (5yr)15%winner19%
Cargo space144.5 cu ftβ€”
Starting price (new)$66,000$43,800winner
Best years to buyβ€”β€”

Which is more reliable?

Chevrolet SuburbanGMC Acadia
RepairPal score6 / 106 / 10
NHTSA complaints / 100k0winner89.6
Years to avoid2021, 2022, 20232014, 2017, 2019
Value retained Β· 3 yrβ€”71.6%
Value retained Β· 5 yr49.6%51.5%winner
Value retained Β· 7 yrβ€”38.2%

What breaks β€” and what it costs

Chevrolet SuburbanGMC Acadia
Engine48.9%12.4%winner
Electrical5.7%winner13.2%
ADAS5.9%5.8%winner
Brakes2.8%winner3.4%
Steeringβ€”winner10.5%
Fuel system6.1%2.3%winner
Tires/Wheels1.9%1.5%winner
Glass/Windows1.4%β€”winner
Airbags2.8%winner19.3%
Lighting1.9%winner3.6%
Seatbelt2.4%1.6%winner

One major repair on either model can run $1,500–4,000. A warranty caps your exposure, especially on known problem years.

Which is cheaper to insure?

Chevrolet SuburbanGMC Acadia
Avg annual premium$2,542$2,242winner

Common questions

The Suburban costs $944/year to maintain β€” $160 above the fullsize segment average of $784. Repair frequency of 51% is above the class average of 40%. Reliability score of 6 and major repair probability of 15% both sit at segment averages. It's the most expensive model in the fullsize segment to maintain.
How we calculated this. Maintenance costs and reliability scores from RepairPal. Complaints and recalls from NHTSA. Fuel economy from the EPA. Insurance averages from CarEdge. Pricing from KBB. Depreciation from iSeeCars. Full methodology β†’