VS
At a Glance
Power
300hp @ 5800
671hp @ 6750
Torque
311lb-ft @ 1650
752lb-ft
Fuel
24 mpg est.
20 mpg est.
Engine
2.5 L/152ci
2.0 L/121ci
Choosing between the Genesis G70 and the Mercedes-Benz C-Class is one of the most common decisions car buyers in the United States face. The Genesis G70 delivers 300hp @ 5800 while the Mercedes-Benz C-Class produces 671hp @ 6750. On fuel, the G70 returns 24 mpg est. while the C-Class uses 20 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $45,550 for the G70 and $49,650 for the C-Class. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
Genesis G702.5T AWD 2026 - From $45,550
Mercedes-Benz C-ClassAMG C 63 S E Performance Sedan 2026 - From $49,650
Performance
Power Output (hp)
300hp @ 5800
671hp @ 6750
Torque (lb-ft)
311lb-ft @ 1650
752lb-ft
Engine & Drivetrain
Engine Capacity
2.5 L/152ci
2.0 L/121ci
Cylinders
4
4
Fuel Type
Gasoline
Plug-In Hybrid
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Number of Gears
8
—
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
24 mpg est.
20 mpg est.
Fuel Economy - City (mpg)
20mpg
19 (2025)mpg
Fuel Economy - Highway (mpg)
28mpg
22 (2025)mpg
Fuel Tank Capacity (gal)
15.8gal
17.4gal
Dimensions
Length (in)
184.4in
190.6in
Width (in)
72.8in
77.4in
Height (in)
55.1in
57.4in
Wheelbase (in)
111.6in
113.1in
Curb Weight (lbs)
3836lbs
4817lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
—
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Genesis G70
2 / 4 categories
Performance
C-Class
Fuel Economy
G70
Value
G70
Practicality
Tied
Pros & Cons
Genesis G70
Better fuel economy (24 mpg est.)
Lower starting price ($45,550)
Few notable weaknesses
Mercedes-Benz C-Class
Well-rounded specification
Higher fuel consumption (20 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the G70 or C-Class?
The G70 gets 24 mpg est. and the C-Class gets 20 mpg est. on the combined cycle. The G70 is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the G70 or C-Class?
The G70 produces 300hp @ 5800 and 311lb-ft @ 1650 of torque while the C-Class delivers 671hp @ 6750 and 752lb-ft of torque. The C-Class is the more powerful option.
What is the price difference between the G70 and C-Class?
The G70 starts from $45,550 and the C-Class from $49,650. The G70 is cheaper by $4,100 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the G70 or the C-Class?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider