BMW i4 56·Mercedes-Benz C-Class 51on the MotiveGrid Score·BMW i4 about $4,304 less over 5 years
The verdict
The 2026 BMW i4 is the cheaper one to own — roughly $4,304 less over five years, thanks to cheaper insurance.
The BMW i4 is the stronger all-round pick here — cheaper to own with little given up in return.
Last updated July 2026 · National-average estimates
BMW i4 vs. Mercedes-Benz C-Class
MotiveGrid scores, key specs, and five-year cost comparison: 2026 BMW i4 versus 2026 Mercedes-Benz C-Class.
Metric
BMW i4
Mercedes-Benz C-Class
MotiveGrid Score
56
51
Cost of Ownership
57
52
Powertrain
61
41
Driver Assistance
6
0
Livability
37
46
Safety
85
88
5-Year Cost to Own
$65,320
$69,625
Depreciation (5-yr)
$32,077
$26,861
Fuel / Energy (5-yr)
$4,097
$9,889
Insurance (5-yr)
$14,570
$18,480
Maintenance (5-yr)
$1,915
$4,080
Tires (5-yr)
$1,875
$1,550
Financing (5-yr)
$8,711
$7,470
Registration (5-yr)
$2,075
$1,295
Starting Price
$57,900
$49,650
Horsepower
335 hp
255 hp
MPG (combined)
—
30 mpg
Electric range
301 mi
—
Cargo volume
10 cu ft
11.6 cu ft
Seating
5
5
Drivetrain
RWD
RWD
Electric
2026$57,900
MSRP
$57,900
Mo · 5yr
$1,089
$65,320 / 5 years
Best for long-term savings
Gas
2026$49,650
MSRP
$49,650
Mo · 5yr
$1,160
$69,625 / 5 years
Best for lower upfront price
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 i4 scores higher overall.
BMW i4
0
/ 100
Mercedes-Benz C-Class
0
/ 100
CostFive-year all-in cost to own, benchmarked against the class median.
i4
57
C-Class
52
Winner: i4
$4,304 cheaper / 5 yrs
PowertrainEnergy efficiency paired with long-term ownership confidence.
i4
61
C-Class
41
Winner: i4
+20 pts
Efficient (high MPG-equivalent)▲
Driver AssistHighway driving support, parking convenience, and hands-free automation.
i4
6
C-Class
0
Winner: i4
+6 pts
LivabilityPassenger space, cargo room, and everyday maneuverability.
i4
37
C-Class
46
Winner: C-Class
+9 pts
SafetyCrash-test protection plus standard crash-avoidance features.
BMW i4 is the better pick for long-term ownership — about $4,304 cheaper over 5 years with stronger fundamentals on running cost.
Mercedes-Benz C-Class still wins if your priority is best for lower upfront price.
Daily commuter
BMW i4
Lowest energy cost per mile
Budget-focused
BMW i4
Cheapest to own across 5 years
Family hauler
Mercedes-Benz C-Class
Better safety rating with marginally more cargo space
Highway driver
BMW i4
Better adaptive cruise + lane keep
City driver
Mercedes-Benz C-Class
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%
Charging mix
BMW i4
Monthly · 5-Year avg
$1,089
$65,320 total / 5 years
Total · monthly$1,089/mo
Mercedes-Benz C-Class
Monthly · 5-Year avg
$1,160
$69,625 total / 5 years
Total · monthly$1,160/mo
💡
On fuel + maintenance alone, the pricier BMW i4 recoups its $8,250 price premium in 5.2 years ($1,591/yr in savings). Depreciation and insurance aren’t included in this payback view.
04
Frequently asked questions
BMW i4 comes out about $4,304 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.