BMW X3 53·Mercedes-Benz GLC 51on the MotiveGrid Score·Mercedes-Benz GLC about $4,898 less over 5 years
The verdict
The 2026 Mercedes-Benz GLC is the cheaper one to own — roughly $4,898 less over five years, mostly because it holds its value better. The BMW X3 counters with better mileage (33 vs 28 mpg combined) and more cargo room (31.5 vs 21.9 cu ft).
Go with the Mercedes-Benz GLC for the better long-term value; consider the BMW X3 if you prioritize better gas mileage and more cargo space.
Last updated July 2026 · National-average estimates
BMW X3 vs. Mercedes-Benz GLC
MotiveGrid scores, key specs, and five-year cost comparison: 2026 BMW X3 versus 2026 Mercedes-Benz GLC.
Metric
BMW X3
Mercedes-Benz GLC
MotiveGrid Score
53
51
Cost of Ownership
44
49
Powertrain
64
51
Driver Assistance
6
0
Livability
25
34
Safety
95
92
5-Year Cost to Own
$70,674
$65,776
Depreciation (5-yr)
$28,523
$24,527
Fuel / Energy (5-yr)
$10,263
$9,889
Insurance (5-yr)
$17,015
$16,785
Maintenance (5-yr)
$4,080
$4,080
Tires (5-yr)
$1,750
$1,750
Financing (5-yr)
$7,718
$7,455
Registration (5-yr)
$1,325
$1,290
Starting Price
$51,300
$49,550
Horsepower
255 hp
255 hp
MPG (combined)
33 mpg
28 mpg
Cargo volume
31.5 cu ft
21.9 cu ft
Seating
5
5
Towing capacity
4,001 lbs
3,500 lbs
Drivetrain
AWD
RWD
Gas
2026$51,300
MSRP
$51,300
Mo · 5yr
$1,178
$70,674 / 5 years
Best for families
Gas
2026$49,550
MSRP
$49,550
Mo · 5yr
$1,096
$65,776 / 5 years
Best for long-term savings
VS
01 · The MotiveGrid Score
Five measured pillars, weighted into one score.
Cost, Powertrain, Driver Assistance, Livability, and Safety — each scored against its class, then combined into a single MotiveGrid Score. Built by our engineering team and benchmarked against independent sources like NHTSA, IIHS, and CarEdge. How it’s calculated →
BMW X3 scores higher overall.
BMW X3
0
/ 100
Mercedes-Benz GLC
0
/ 100
CostFive-year all-in cost to own, benchmarked against the class median.
X3
44
GLC
49
Winner: GLC
$4,898 cheaper / 5 yrs
PowertrainEnergy efficiency paired with long-term ownership confidence.
X3
64
GLC
51
Winner: X3
+13 pts
Good fuel economy▲
Driver AssistHighway driving support, parking convenience, and hands-free automation.
X3
6
GLC
0
Winner: X3
+6 pts
LivabilityPassenger space, cargo room, and everyday maneuverability.
X3
25
GLC
34
Winner: GLC
+9 pts
SafetyCrash-test protection plus standard crash-avoidance features.
Mercedes-Benz GLC is the better pick for long-term ownership — about $4,898 cheaper over 5 years with stronger fundamentals on running cost.
BMW X3 still wins if your priority is best for families.
Daily commuter
BMW X3
Lowest energy cost per mile
Budget-focused
Mercedes-Benz GLC
Cheapest to own across 5 years
Family hauler
BMW X3
Better safety rating with substantially more cargo room
Highway driver
BMW X3
Better adaptive cruise + lane keep
City driver
Mercedes-Benz GLC
Easiest to park and maneuver in tight spots
03
Cost of Ownership
Monthly running costs — national baseline.
Adjust for your situation
State
Miles/yr15,000
Loan rate7%
Down payment20%
BMW X3
Monthly · 5-Year avg
$1,178
$70,674 total / 5 years
Total · monthly$1,178/mo
Mercedes-Benz GLC
Monthly · 5-Year avg
$1,096
$65,776 total / 5 years
Total · monthly$1,096/mo
04
Frequently asked questions
Mercedes-Benz GLC comes out about $4,898 cheaper over 5 years on running costs (depreciation, fuel/energy, insurance, maintenance, financing). The gap shifts with your state, annual miles, and loan rate — use the "Adjust for your situation" panel above.
