2025 Lexus IS vs 2026 Genesis G70
Comparison Overview
The most significant numerical divergence between the 2026 Genesis G70 (car2) and the 2025 Lexus IS (car1) is the substantial 59 horsepower advantage held by the G70, producing 300 hp to the IS's 241 hp, alongside a 53 lb-ft torque lead (311 vs. 258). This performance disparity suggests different driving dynamics for the RWD sedans. The G70 is slightly shorter at 184.4 inches compared to the Lexus's 185.4 inches, while the G70 sits significantly lower at 55.1 inches versus the IS's 56.5 inches. Fuel economy is virtually identical, with the IS offering a marginally superior combined MPG rating of 25 compared to the G70's 24 MPG. Pricewise, the G70 commands a $43,450 MSRP, exceeding the Lexus IS's $40,535 price tag, resulting in a $2,915 initial cost difference that must be weighed against the superior power output.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Lexus IS
The 2025 Lexus IS wins for commuters due to its marginally better combined fuel economy rating of 25 MPG versus the G70's 24 MPG.
2025 Lexus IS
The Lexus IS offers slightly more accessible dimensions for loading, presenting a marginally taller height (56.5 inches) and greater cargo volume at 10.8 cu ft compared to the G70's 10.5 cu ft.
2026 Genesis G70
The 2026 Genesis G70 is the definitive choice for performance enthusiasts, boasting 300 hp and 311 lb-ft of torque, significantly surpassing the Lexus IS's 241 hp and 258 lb-ft.
2025 Lexus IS
The Lexus IS presents better objective value by offering a lower MSRP of $40,535 against the G70's $43,450, despite yielding 59 less horsepower.
Choose the Lexus IS if...
- You prioritize minimizing upfront cost, as the $40,535 MSRP is $2,915 less than the G70.
- You need the maximum practical utility, evidenced by its slightly larger 10.8 cu ft cargo capacity.
- You desire the marginally superior rated fuel efficiency of 25 combined MPG.
Choose the Genesis G70 if...
- You demand superior acceleration and outright performance numbers, headlined by 300 hp and 311 lb-ft of torque.
- A lower overall profile is preferred, as the G70 sits 1.4 inches lower to the ground at 55.1 inches.
- You are comfortable paying the premium for a segment-leading output of 300 hp in this RWD segment.
Key Dimensions
| Dimension | Lexus IS | Genesis G70 |
|---|---|---|
| Length | 185.4" | 184.4" |
| Width | 72.4" | 72.8" |
| Height | 56.5" | 55.1" |
| Wheelbase | 110.2" | 111.6" |
Features Comparison
Safety
| Feature | Lexus | Genesis |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | ✓ |
| Lane Keeping Assist System | ✓ | ✓ |
| Rear Cross Traffic Alert | ✓ | ✓ |
| Pre-Collision Safety System | ✓ | ✓ |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front 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 | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | — |
| Rear Headrests | 3 | 3 |
| Rear Height Adjustable Headrests | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Dual Rear Side-Mounted Airbags | — | ✓ |
| Self-Leveling Headlights | — | ✓ |
| Front Multi-Adjustable Headrests | — | ✓ |
Engine
| Feature | Lexus | Genesis |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.5 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | gas |
| Horsepower | 241 hp @ 5200 rpm | 300 hp @ 5800 rpm |
| Torque | 258 lb-ft @ 1650 rpm | 311 lb-ft @ 1650 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Lexus | Genesis |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | rear wheel drive |
Fuel
| Feature | Lexus | Genesis |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 21/31 MPG | 21/29 MPG |
| EPA Fuel Economy (Combined) | 25 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 365.4/539.4 mi. | 331.8/458.2 mi. |
| Fuel Tank Capacity | 17.4 gal. | 15.8 gal. |
Comfort & Convenience
| Feature | Lexus | Genesis |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | — |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Telescopic Steering Wheel | — | ✓ |
| Universal Remote Transmitter | — | ✓ |
| Rear Cupholders | — | ✓ |
| Rear Door Pockets | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Extended Cabin Heating/Cooling | — | ✓ |
| Auto-Dimming Rearview Mirror | — | ✓ |
In Car Entertainment
| Feature | Lexus | Genesis |
|---|---|---|
| Infotainment Display | 8.0 in | 10.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 10 | 6 |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 3 months |
| Subwoofer Count | — | 1 |
| Android Auto (Wired) | — | ✓ |
| Apple CarPlay (Wired) | — | ✓ |
Power Feature
| Feature | Lexus | Genesis |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Lexus | Genesis |
|---|---|---|
| Front Head Room | 38.2 in. | 39.8 in. |
| Front Leg Room | 44.8 in. | 42.6 in. |
| Front Shoulder Room | 55.9 in. | 56.3 in. |
| Front Hip Room | 54.3 in. | — |
| Seat Material: Leatherette | ✓ | ✓ |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Power Adjustments | 8-way | 8-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | — | Power |
| Driver Seat Heating | — | Multi-level |
| Passenger Seat Heating | — | Multi-level |
Rearseats
| Feature | Lexus | Genesis |
|---|---|---|
| Rear Head Room | 36.9 in. | 38.7 in. |
| Rear Leg Room | 32.2 in. | 34.8 in. |
| Rear Shoulder Room | 53.4 in. | 54.6 in. |
| Rear Hip Room | 54.0 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
Tires and Wheels
| Feature | Lexus | Genesis |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Size | 18 x 8.5 in | 19 x 8.5 in |
| Tire Type | All Season | All Season |
| Tire Size | 235/45R18 | P255/35R |
| Spare Tire Type | Temporary | Temporary |
| Spare Tire Location | Inside Mounted | Inside Mounted |
| Wheel Finish | — | Painted Alloy |
Suspension
| Feature | Lexus | Genesis |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Lexus | Genesis |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 5 yr./ 60000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 10 yr./ 100000 mi. |
| Corrosion/Rust Warranty | 6 yr./ unlimited mi. | 7 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 5 yr./ unlimited mi. |
| Complimentary Scheduled Maintenance | 1 yr./ 10000 mi. | 3 yr./ 36000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Lexus IS and 2026 Genesis G70.
How much more powerful is the 2026 Genesis G70 than the 2025 Lexus IS?
The Genesis G70 has a definitive power advantage, delivering 300 hp and 311 lb-ft of torque. This is a substantial 59 hp and 53 lb-ft increase over the Lexus IS, which produces 241 hp and 258 lb-ft.
Are there significant differences in fuel economy between these two sedans?
The fuel economy figures are closely matched, with both requiring premium unleaded fuel. The Lexus IS achieves 25 combined MPG (21 city/31 highway), narrowly beating the Genesis G70’s 24 combined MPG (21 city/29 highway).
Which car is physically larger in terms of overall footprint?
The Lexus IS is slightly longer at 185.4 inches versus the G70's 184.4 inches, but the G70 is wider by 0.4 inches (72.8 vs 72.4 inches) and notably lower in height.
What is the price gap between the base models of the Lexus IS and the Genesis G70?
The 2026 Genesis G70 carries an MSRP of $43,450, making it $2,915 more expensive than the 2025 Lexus IS base price of $40,535.
Do both RWD sedans utilize the same type of transmission?
Yes, both the 2025 Lexus IS and the 2026 Genesis G70 come equipped with an 8-speed shiftable automatic transmission paired with their respective rear-wheel-drive platforms.
How do the cargo capacities compare for daily usability?
The 2025 Lexus IS provides a slightly larger space for luggage, rated at 10.8 cubic feet. The 2026 Genesis G70 offers 10.5 cubic feet, a minimal difference in raw volume.
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