2025 Lexus IS vs 2025 Toyota Prius Plug-In Hybrid
Comparison Overview
The most significant quantifiable difference between the 2025 Lexus IS and the 2025 Toyota Prius Plug-In Hybrid is the fuel economy, with the Prius achieving a 52 combined MPG versus the Lexus IS’s 25 combined MPG, translating to a 27 MPG advantage for the Toyota. Priced at $40,535, the Lexus commands a $7,160 premium over the Prius's MSRP of $33,375. Power output favors the rear-wheel-drive Lexus, delivering 241 hp compared to the front-wheel-drive Prius’s 220 hp. While the Lexus mandates premium unleaded fuel, the Prius runs on regular unleaded. Furthermore, utility heavily favors the hatchback, offering 20.3 cu ft of cargo space against the Lexus sedan's 10.8 cu ft. The Lexus's 45-inch length advantage is negligible against the Prius's superior packaging efficiency and lower running costs.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Toyota Prius Plug-In Hybrid
The Prius Plug-In Hybrid is the superior commuter due to its 52 combined MPG rating and 45 miles of pure electric range, drastically cutting weekly fuel expenditure.
2025 Toyota Prius Plug-In Hybrid
The 2025 Toyota Prius offers 20.3 cu ft of cargo capacity, nearly double the 10.8 cu ft available in the Lexus IS, providing essential utility for families.
2025 Lexus IS
The 2025 Lexus IS appeals more to driving enthusiasts by delivering 241 hp and utilizing a traditional 8-speed shiftable automatic transmission with rear-wheel drive.
2025 Toyota Prius Plug-In Hybrid
The Prius offers vastly superior running economy (52 MPG vs. 25 MPG) and a $7,160 lower initial purchase price, establishing a dominant value proposition.
Choose the Lexus IS if...
- Your priority is driving dynamics, evidenced by its 241 hp, RWD layout, and 8-speed automatic transmission.
- You require or prefer a traditional premium sedan silhouette over a hatchback design.
- You are willing to pay $40,535 and absorb the cost of required premium unleaded fuel for performance.
Choose the Toyota Prius Plug-In Hybrid if...
- Maximizing fuel efficiency is crucial, given its 52 combined MPG and 45 miles of electric-only operation.
- You need maximum utility, as its 20.3 cu ft of cargo volume is significantly larger than the Lexus's 10.8 cu ft.
- Budget constraints necessitate saving $7,160 upfront and utilizing regular unleaded gasoline.
Key Dimensions
| Dimension | Lexus IS | Toyota Prius Plug-In Hybrid |
|---|---|---|
| Length | 185.4" | 181.1" |
| Width | 72.4" | 70.1" |
| Height | 56.5" | 55.9" |
| Wheelbase | 110.2" | 108.3" |
Features Comparison
Safety
| Feature | Lexus | Toyota |
|---|---|---|
| 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 | ✓ | ✓ |
| Front Cross Traffic Alert | — | ✓ |
| Dual Rear Side-Mounted Airbags | — | ✓ |
| Rear Solid Disc Brakes | — | ✓ |
Engine
| Feature | Lexus | Toyota |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | plug-in hybrid |
| Horsepower | 241 hp @ 5200 rpm | 220 hp |
| Torque | 258 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 | Toyota |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | continuously variable-speed automatic |
| Drivetrain Type | rear wheel drive | front wheel drive |
Fuel
| Feature | Lexus | Toyota |
|---|---|---|
| Fuel Type | premium unleaded (required) | regular unleaded |
| EPA Fuel Economy (City/Highway) | 21/31 MPG | 53/51 MPG |
| EPA Fuel Economy (Combined) | 25 MPG | 52 MPG |
| EPA Driving Range (City/Highway) | 365.4/539.4 mi. | 561.8/540.6 mi. |
| Fuel Tank Capacity | 17.4 gal. | 10.6 gal. |
| EPA Efficiency (City/Highway MPGe) | — | 140/115 MPGe |
| EPA Efficiency (Combined MPGe) | — | 127 MPGe |
| EPA Electric Driving Range | — | 45 mi. |
| EPA Energy Consumption (kWh/100 mi) | — | 26 |
| Charging Time (240V) | — | 4.0 hr. |
| DC Fast Charging Port Type | — | SAE J1772 |
Comfort & Convenience
| Feature | Lexus | Toyota |
|---|---|---|
| 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 | ✓ | — |
| Rear Door Pockets | — | ✓ |
| Leatherette Steering Wheel | — | ✓ |
| Heated Steering Wheel | — | ✓ |
| Single Zone Climate Control | — | ✓ |
| Interior Air Filtration | — | ✓ |
In Car Entertainment
| Feature | Lexus | Toyota |
|---|---|---|
| Infotainment Display | 8.0 in | 8.0 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 |
Power Feature
| Feature | Lexus | Toyota |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Lexus | Toyota |
|---|---|---|
| Front Head Room | 38.2 in. | 38.0 in. |
| Front Leg Room | 44.8 in. | 42.4 in. |
| Front Shoulder Room | 55.9 in. | 55.3 in. |
| Front Hip Room | 54.3 in. | 54.7 in. |
| Seat Material: Leatherette | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | — |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Power Adjustments | 8-way | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Seat Material: Cloth | — | ✓ |
| Driver Seat Manual Adjustments | — | 6-way |
| Passenger Seat Manual Adjustments | — | 6-way |
Rearseats
| Feature | Lexus | Toyota |
|---|---|---|
| Rear Head Room | 36.9 in. | 36.4 in. |
| Rear Leg Room | 32.2 in. | 35.9 in. |
| Rear Shoulder Room | 53.4 in. | 52.8 in. |
| Rear Hip Room | 54.0 in. | 51.7 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Center Armrest | ✓ | — |
Tires and Wheels
| Feature | Lexus | Toyota |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 18 x 8.5 in | — |
| Tire Type | All Season | All Season |
| Tire Size | 235/45R18 | 195/60R17 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Cover Type | — | ✓ |
| Wheel Diameter | — | 17 in |
Suspension
| Feature | Lexus | Toyota |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Lexus | Toyota |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 3 yr./ 36000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 5 yr./ 60000 mi. |
| Corrosion/Rust Warranty | 6 yr./ unlimited mi. | 5 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 3 yr./ unlimited mi. |
| Complimentary Scheduled Maintenance | 1 yr./ 10000 mi. | 2 yr./ 25000 mi. |
| Hybrid Component Warranty | — | 8 yr./ 100000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Lexus IS and 2025 Toyota Prius Plug-In Hybrid.
How much more expensive is the 2025 Lexus IS compared to the Prius PHEV?
The 2025 Lexus IS starts at an MSRP of $40,535, which is $7,160 more than the 2025 Toyota Prius Plug-In Hybrid’s $33,375 starting price.
Is the Lexus IS significantly faster than the Prius Plug-In Hybrid?
The Lexus IS produces 241 hp, making it slightly more powerful than the Prius's 220 hp. However, the Lexus benefits from RWD architecture and an 8-speed automatic, versus the FWD and CVT setup in the Toyota.
What is the practical difference in fuel costs between these two vehicles?
The Prius achieves 52 combined MPG and can run 45 miles on electricity alone, while the Lexus manages only 25 combined MPG and strictly uses premium fuel, suggesting substantial long-term savings with the Prius.
Which vehicle offers better cargo capacity for hauling groceries or gear?
The Toyota Prius Plug-In Hybrid is the clear winner for utility, offering 20.3 cu ft of cargo space, which is nearly double the 10.8 cu ft provided by the Lexus IS sedan.
Do these vehicles use the same type of gasoline?
No, the Lexus IS requires premium unleaded fuel to maintain its performance output. Conversely, the Toyota Prius Plug-In Hybrid is optimized to run on less expensive regular unleaded gasoline.
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