2025 Mercedes-Benz C-Class C 300 4MATIC vs 2025 Genesis G70 2.5T

4 mpg better vs $5,850 less and 45 more hp. That is the real fork. Key numbers: 255 vs 300 hp, 27 vs 23 MPG.

The short answer

The C-Class C 300 4MATIC leads on 4 MPG better. The G70 2.5T leads on $5,850 less, 45 more hp. The spec table compares 6 specifications head to head.

N/A
Price Gap
45 HP
HP Diff
4 MPG
Efficiency Diff
Vehicle A
2025 Mercedes-Benz C-Class C 300 4MATIC
Starts at $50,450
VS
Vehicle B
2025 Genesis G70 2.5T
Starts at $44,600

Key Differences at a Glance

Engine
2.0L I4 mild-hybrid Turbo
vs
2.5L I4 Turbo
Horsepower
255 hp
vs
300 hp
Torque
295 lb-ft
vs
311 lb-ft
Fuel Economy
27 MPG combined
vs
23 MPG combined
Curb Weight
3,957 lbs
vs
3,920 lbs

What's Actually Different

These two vehicles differ in 6 specifications.

MSRP
$50,450C-Class C 300 4MATIC
$44,600G70 2.5T
Engine
2.0L I4 mild-hybrid TurboC-Class C 300 4MATIC
2.5L I4 TurboG70 2.5T
Horsepower
255 hpC-Class C 300 4MATIC
300 hpG70 2.5T
Torque
295 lb-ftC-Class C 300 4MATIC
311 lb-ftG70 2.5T
Transmission
9-speed shiftable automaticC-Class C 300 4MATIC
8-speed shiftable automaticG70 2.5T
City MPG
24C-Class C 300 4MATIC
20G70 2.5T
Highway MPG
33C-Class C 300 4MATIC
28G70 2.5T
Combined MPG
27C-Class C 300 4MATIC
23G70 2.5T
Fuel Tank
17.4 galC-Class C 300 4MATIC
15.8 galG70 2.5T
Curb Weight
3,957 lbsC-Class C 300 4MATIC
3,920 lbsG70 2.5T
Wheelbase
112.8"C-Class C 300 4MATIC
111.6"G70 2.5T
Length
187.0"C-Class C 300 4MATIC
184.4"G70 2.5T
Width
74.4"C-Class C 300 4MATIC
72.8"G70 2.5T
Height
56.6"C-Class C 300 4MATIC
55.1"G70 2.5T
Bumper-to-Bumper
4yr/50kC-Class C 300 4MATIC
5yr/60kG70 2.5T
Powertrain
4yr/50kC-Class C 300 4MATIC
10yr/100kG70 2.5T
Corrosion
4yr/50kC-Class C 300 4MATIC
5yr/unlimitedG70 2.5T
Roadside Assistance
4yr/50kC-Class C 300 4MATIC
5yr/unlimitedG70 2.5T

Full Specification Comparison

Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.

Spec2025 Mercedes-Benz C-Class C 300 4MATIC2025 Genesis G70 2.5T
Pricing
MSRP$50,450$44,600
Powertrain
Engine2.0L I4 mild-hybrid Turbo2.5L I4 Turbo
Horsepower255 hp300 hp
Torque295 lb-ft311 lb-ft
Transmission9-speed shiftable automatic8-speed shiftable automatic
DrivetrainAWDAWD
Fuel Economy
City MPG2420
Highway MPG3328
Combined MPG2723
Fuel Tank17.4 gal15.8 gal
Annual Fuel Cost (EPA)No published data$2,500/yr
Dimensions
Curb Weight3,957 lbs3,920 lbs
Wheelbase112.8"111.6"
Length187.0"184.4"
Width74.4"72.8"
Height56.6"55.1"
Safety
IIHS AwardTSP+No published data
Warranty
Bumper-to-Bumper4yr/50k5yr/60k
Powertrain4yr/50k10yr/100k
Corrosion4yr/50k5yr/unlimited
Roadside Assistance4yr/50k5yr/unlimited

Frequently Asked Questions

What is the price difference between the 2025 Mercedes-Benz C-Class C 300 4MATIC and 2025 Genesis G70 2.5T?

The 2025 Genesis G70 2.5T starts at $44,600, $5,850 less than the 2025 Mercedes-Benz C-Class C 300 4MATIC at $50,450. On a 60-month loan that is roughly $103/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2025 Mercedes-Benz C-Class C 300 4MATIC?

The 2025 Mercedes-Benz C-Class C 300 4MATIC is the stronger pick when lower running costs matter to you, roughly $270/year less on fuel.

Who should choose the 2025 Genesis G70 2.5T?

The 2025 Genesis G70 2.5T is the stronger pick when you want to keep $5,850 in your pocket and the 2025 Genesis G70 2.5T covers your needs; the extra 45 hp matters for your commute or driving style.

Which gets better fuel economy, the 2025 Mercedes-Benz C-Class C 300 4MATIC or 2025 Genesis G70 2.5T?

The 2025 Mercedes-Benz C-Class C 300 4MATIC rates 27 combined MPG, 4 MPG ahead.

Which is more powerful, the 2025 Mercedes-Benz C-Class C 300 4MATIC or 2025 Genesis G70 2.5T?

The 2025 Genesis G70 2.5T produces 300 hp, 45 more than the 2025 Mercedes-Benz C-Class C 300 4MATIC at 255 hp. The 2025 Genesis G70 2.5T also leads in torque at 311 lb-ft vs 295 lb-ft. The 2025 Mercedes-Benz C-Class C 300 4MATIC runs a 2.0L I4 mild-hybrid Turbo; the 2025 Genesis G70 2.5T uses a 2.5L I4 Turbo.

Is the 2025 Mercedes-Benz C-Class C 300 4MATIC bigger than the 2025 Genesis G70 2.5T?

The 2025 Mercedes-Benz C-Class C 300 4MATIC is 2.6″ longer at 187.0″ vs 184.4″. The 2025 Mercedes-Benz C-Class C 300 4MATIC has a 1.2″ longer wheelbase, which typically means more rear-seat legroom.

How do the warranties compare?

The Mercedes-Benz C-Class comes with 4yr/50k bumper-to-bumper and 4yr/50k powertrain. The Genesis G70 offers 5yr/60k bumper-to-bumper and 10yr/100k powertrain. Longer warranty coverage can offset higher maintenance costs over time.

Explore more: Mercedes-Benz trims, Mercedes-Benz C-Class trims, Genesis trims, Genesis G70 trims

Official sources

The C-Class–G70 Decision

Shopping compact cars means the C-Class and G70 will likely end up on the same test-drive day. Here is what the numbers say before you get behind the wheel. The $-5,850 gap adds up to $103/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.

What Powers Each Vehicle

The 2025 Mercedes-Benz C-Class C 300 4MATIC runs a 2.0L I4 mild-hybrid Turbo; the 2025 Genesis G70 2.5T uses a 2.5L I4 Turbo. The 2025 Genesis G70 2.5T has 45 more hp (300 vs 255), enough to notice on highway on-ramps and when passing. Both use AWD.

The Ownership Math

The 2025 Mercedes-Benz C-Class C 300 4MATIC saves roughly $270/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,350.

The Decision

Choose the 2025 Mercedes-Benz C-Class C 300 4MATIC when lower running costs matter to you, roughly $270/year less on fuel. Choose the 2025 Genesis G70 2.5T when you want to keep $5,850 in your pocket and the 2025 Genesis G70 2.5T covers your needs.

Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Mercedes-Benz or Genesis or any dealership.

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