2025 Genesis G90 vs 2025 Mercedes-Benz S-Class
Comparison Overview
The 2025 Genesis G90 bursts onto the scene as the ultimate value proposition in flagship luxury, starting at a compelling $89,700 while delivering a smooth 375 hp. It offers serene, stately transportation with AWD capability. Conversely, the 2025 Mercedes-Benz S-Class commands attention with sheer performance superiority, boasting 442 hp, a full 67 horsepower advantage, commanding a starting price premium of $117,750. While the G90 provides 21 MPG combined, the S-Class pulls ahead slightly in efficiency, achieving 24 MPG combined. Both vehicles are lengthy, nearly 208 inches long, ensuring massive road presence. The S-Class edges out the G90 on paper with slightly better dimensions and a marginally larger 12.8 cu ft cargo area versus the G90's 12 cu ft, positioning the comparison between accessible opulence and established, outright dominance.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Genesis G90
The Genesis G90 wins for daily commuters due to its significantly lower MSRP of $89,700, providing executive comfort without the $28,050 price penalty of the S-Class.
2025 Mercedes-Benz S-Class
The Mercedes-Benz S-Class offers slightly better utility with a marginally larger 12.8 cu ft cargo capacity and superior fuel economy at 24 MPG combined.
2025 Mercedes-Benz S-Class
Enthusiasts will gravitate towards the S-Class for its superior output of 442 horsepower and 413 lb-ft of torque, easily outgunning the G90's 375 hp.
2025 Genesis G90
The Genesis G90 provides incredible flagship amenities for $28,050 less than the S-Class, representing vastly superior fiscal value.
Choose the Genesis G90 if...
- You prioritize saving over $28,000 on the initial purchase price.
- You appreciate a responsive 8-speed automatic transmission paired with AWD.
- You are content with 375 hp when luxury comfort is the primary goal.
Choose the Mercedes-Benz S-Class if...
- You demand the maximum available output, provided by the S-Class's 442 horsepower.
- Improved efficiency is key, evidenced by the S-Class's 24 MPG combined rating.
- You desire the marginally larger trunk space, offering 12.8 cu ft for luggage.
Key Dimensions
| Dimension | Genesis G90 | Mercedes-Benz S-Class |
|---|---|---|
| Length | 207.7" | 208.2" |
| Width | 76.0" | 76.9" |
| Height | 58.7" | 59.2" |
| Wheelbase | 125.2" | 126.6" |
Features Comparison
Safety
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | ✓ |
| Lane Keeping Assist System | ✓ | ✓ |
| Rear Cross Traffic Alert | ✓ | ✓ |
| Driver Attention Alert | ✓ | ✓ |
| Pre-Collision Safety System | ✓ | ✓ |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Dual Rear Side-Mounted Airbags | ✓ | ✓ |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Rear Door Child Safety Locks | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Power Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 3 |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Front Cross Traffic Alert | — | ✓ |
| Brake Drying | — | ✓ |
| Brake Preparation System | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Self-Leveling Headlights | — | ✓ |
| Cornering Lights | — | ✓ |
| Integrated Turn Signal Mirrors | — | ✓ |
| Rear Multi-Adjustable Headrests | — | ✓ |
Engine
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 3.5 L | 3.0 L |
| Number of Cylinders | V6 | inline 6 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 375 hp @ 5800 rpm | 442 hp |
| Torque | 391 lb-ft @ 4500 rpm | 413 lb-ft |
| Number of Valves | 24 | 24 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain Type | all wheel drive | all wheel drive |
| Center Differential Type | Limited Slip | Limited Slip |
Fuel
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 18/26 MPG | 21/31 MPG |
| EPA Fuel Economy (Combined) | 21 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 347.4/501.8 mi. | 420.0/620.0 mi. |
| Fuel Tank Capacity | 19.3 gal. | 20.0 gal. |
Comfort & Convenience
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Power Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Front View Camera | ✓ | ✓ |
| Side View Camera | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors with Side Sensing | ✓ | — |
| Automatic Parking Assist | ✓ | ✓ |
| Wireless Charging Pad | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Overhead Console with Storage | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Heated Steering Wheel | ✓ | — |
| Three Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Extended Cabin Heating/Cooling | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Cargo Floor Mats | ✓ | — |
| Rear Parking Sensors | — | ✓ |
| Wood Trim on Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Sun Sensor | — | ✓ |
| Turn Signal Indicators in Mirrors | — | ✓ |
In Car Entertainment
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 12.3 in | 12.8 in |
| AM/FM Stereo | ✓ | ✓ |
| Premium Brand Speakers | Bang & Olufsen | — |
| Stereo Power | 1400W | 710W |
| Speaker System | 15 | 15 |
| Surround Audio | Discrete | Discrete |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 6 months |
| Speed Sensitive Volume Control | ✓ | ✓ |
| Premium Speaker Brand | — | Burmester |
| Subwoofer Count | — | 2 |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
| Auxiliary Audio Input | — | ✓ |
| Memory Card Slot | — | ✓ |
Power Feature
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass Extended | 1st Row Power Glass Extended |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
| Reverse Tilt Passenger Mirror | — | ✓ |
Frontseats
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Front Head Room | 39.4 in. | 42.1 in. |
| Front Leg Room | 42.3 in. | 41.4 in. |
| Front Shoulder Room | 59.1 in. | 59.6 in. |
| Seat Material: Premium Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 18-way | 12-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Driver Seat Thigh Extension | ✓ | ✓ |
| Driver Seat Memory Settings | 3 | 3 |
| Passenger Seat Power Adjustments | 16-way | 12-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | Power |
| Passenger Seat Thigh Extension | ✓ | ✓ |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Driver Seat Ventilation | ✓ | ✓ |
| Passenger Seat Ventilation | ✓ | ✓ |
| Seat Massage Function | ✓ | ✓ |
| Seat Material: Leather | — | ✓ |
| Passenger Seat Memory Settings | — | 3 |
Rearseats
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 38.0 in. | 39.4 in. |
| Rear Leg Room | 37.8 in. | 43.8 in. |
| Rear Shoulder Room | 57.9 in. | 59.0 in. |
| Split-Folding Rear Seatback | ✓ | — |
| Reclining Rear Seats | ✓ | — |
| Folding Center Armrest | ✓ | ✓ |
| Heated Rear Seats (Multi-Level) | ✓ | — |
Tires and Wheels
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Painted Alloy Wheels | ✓ | — |
| Polished Alloy Wheels | ✓ | — |
| Wheel Size | 20 x 9.5 in. | 19 x 8.5 in |
| Tire Type | All Season | — |
| Tire Size | 275/40R20 | 255/45R19 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Material | — | Alloy |
| Run Flat Tires | — | ✓ |
Suspension
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | — | ✓ |
| Rear Stabilizer Bar | — | ✓ |
Warranty
| Feature | Genesis | Mercedes-Benz |
|---|---|---|
| Basic Warranty | 5 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 10 yr./ 100000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 7 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 5 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Complimentary Scheduled Maintenance | 3 yr./ 36000 mi. | — |
| Hybrid Component Warranty | — | 6 yr./ 62000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Genesis G90 and 2025 Mercedes-Benz S-Class.
What is the true performance gap between these two luxury sedans?
The Mercedes-Benz S-Class holds a substantial performance lead, generating 442 horsepower compared to the Genesis G90's 375 horsepower. This 67 hp difference is noticeable, especially in spirited driving situations.
How much does the Mercedes-Benz S-Class cost compared to the Genesis G90?
The 2025 S-Class commands a significant premium, with an MSRP of $117,750 versus the G90's starting price of $89,700. This results in a direct price disparity of $28,050.
Is the G90 much less fuel-efficient than the S-Class?
The Genesis G90 is slightly less efficient, achieving 21 MPG combined (18/26 City/Highway), while the S-Class nudges ahead with 24 MPG combined (21/31 City/Highway).
Are the dimensions close enough for similar garage fitting?
Both vehicles are massive luxury sedans, measuring nearly 208 inches in length, with the S-Class being fractionally longer (208.2 inches) and wider (76.9 inches) than the G90.
Which vehicle uses a better transmission setup for standard driving?
The S-Class features a 9-speed shiftable automatic, which is technically one gear more than the G90's 8-speed unit, often allowing for smoother highway cruising and efficiency gains.
Do both sedans come standard with All-Wheel Drive?
Yes, both the 2025 Genesis G90 and the 2025 Mercedes-Benz S-Class come equipped with All Wheel Drive (AWD) capability as standard equipment for improved traction.
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