2025 Lexus IS vs 2026 BMW 3 Series
Comparison Overview
The most significant numerical disparity between the 2025 Lexus IS (Car 1) and the 2026 BMW 3 Series (Car 2) lies in fuel economy, with the BMW achieving 31 combined MPG compared to the Lexus’s 25 combined MPG, representing a 6 MPG advantage. The price gap is also substantial, as Car 2 commands an MSRP of $47,500, which is $6,965 more than Car 1's $40,535 entry price. Performance favors the 3 Series, offering 255 hp and 295 lb-ft of torque against the IS's 241 hp and 258 lb-ft. However, the Lexus offers slightly better exterior dimensions, being 0.5 inches narrower at 72.4 inches wide. Where the BMW significantly pulls ahead is utility, providing 16.9 cu ft of cargo capacity versus the IS’s limited 10.8 cu ft. Both vehicles utilize premium unleaded fuel and an 8-speed automatic transmission.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 BMW 3 Series
The 2026 BMW 3 Series wins for commuters due to its superior combined MPG rating of 31 versus the Lexus IS's 25 MPG.
2026 BMW 3 Series
The 2026 BMW 3 Series is the better choice for families, boasting 16.9 cu ft of cargo capacity compared to the Lexus IS's 10.8 cu ft.
2026 BMW 3 Series
Enthusiasts will favor the 2026 BMW 3 Series for its greater torque output of 295 lb-ft and 255 horsepower.
2025 Lexus IS
The 2025 Lexus IS offers better measurable value, priced $6,965 lower than the 2026 BMW 3 Series for comparable RWD performance hardware.
Choose the Lexus IS if...
- Your primary concern is initial purchase price, as the MSRP is $40,535.
- You prioritize a slightly wider body dimension (72.4 inches) for potentially easier interior ingress/egress.
- You value the security of the established 8-speed shiftable automatic transmission paired with RWD standard.
Choose the BMW 3 Series if...
- Long-term fuel costs are critical, as the combined MPG reaches 31, outperforming Car 1 by 6 MPG.
- You require maximum utility from a compact sedan, evidenced by the 16.9 cu ft cargo space.
- You demand higher peak output, demonstrated by the 255 hp and 295 lb-ft torque figures.
Key Dimensions
| Dimension | Lexus IS | BMW 3 Series |
|---|---|---|
| Length | 185.4" | 185.9" |
| Width | 72.4" | 71.9" |
| Height | 56.5" | 56.8" |
| Wheelbase | 110.2" | 112.2" |
Features Comparison
Safety
| Feature | Lexus | BMW |
|---|---|---|
| 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 | — | ✓ |
| Brake Drying | — | ✓ |
| Brake Preparation System | — | ✓ |
| Self-Leveling Headlights | — | ✓ |
Engine
| Feature | Lexus | BMW |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 241 hp @ 5200 rpm | 255 hp @ 4700 rpm |
| Torque | 258 lb-ft @ 1650 rpm | 295 lb-ft @ 1600 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 | BMW |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | rear wheel drive |
Fuel
| Feature | Lexus | BMW |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 21/31 MPG | 28/35 MPG |
| EPA Fuel Economy (Combined) | 25 MPG | 31 MPG |
| EPA Driving Range (City/Highway) | 365.4/539.4 mi. | 436.8/546.0 mi. |
| Fuel Tank Capacity | 17.4 gal. | 15.6 gal. |
Comfort & Convenience
| Feature | Lexus | BMW |
|---|---|---|
| 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 | ✓ | ✓ |
| Cruise Control | — | ✓ |
| Universal Remote Transmitter | — | ✓ |
| Rear Cupholders | — | ✓ |
| Rear Door Pockets | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Auto-Dimming Rearview Mirror | — | ✓ |
In Car Entertainment
| Feature | Lexus | BMW |
|---|---|---|
| Infotainment Display | 8.0 in | 14.9 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 10 | 10 |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 12 months |
| Stereo Power | — | 205W |
| Subwoofer Count | — | 2 |
Power Feature
| Feature | Lexus | BMW |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
| Moonroof Type | — | 1st Row Power Glass |
Frontseats
| Feature | Lexus | BMW |
|---|---|---|
| Front Head Room | 38.2 in. | 38.7 in. |
| Front Leg Room | 44.8 in. | 42.0 in. |
| Front Shoulder Room | 55.9 in. | 56.0 in. |
| Front Hip Room | 54.3 in. | — |
| Seat Material: Leatherette | ✓ | ✓ |
| Front Seat Type: Bucket | ✓ | — |
| Driver Seat Power Adjustments | 8-way | 10-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Power Adjustments | 8-way | 10-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Front Seat Type: Sport | — | ✓ |
| Driver Seat Manual Adjustments | — | 2-way |
| Driver Seat Lumbar Support | — | Power |
| Driver Seat Thigh Extension | — | ✓ |
| Driver Seat Memory Settings | — | 2 |
| Passenger Seat Manual Adjustments | — | 2-way |
| Passenger Seat Lumbar Support | — | Power |
| Passenger Seat Thigh Extension | — | ✓ |
| Driver Seat Heating | — | Multi-level |
| Passenger Seat Heating | — | Multi-level |
Rearseats
| Feature | Lexus | BMW |
|---|---|---|
| Rear Head Room | 36.9 in. | 37.6 in. |
| Rear Leg Room | 32.2 in. | 35.2 in. |
| Rear Shoulder Room | 53.4 in. | 54.6 in. |
| Rear Hip Room | 54.0 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Center Armrest | ✓ | — |
| Folding Rear Seat Feature | — | ✓ |
| Pass-Thru Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Lexus | BMW |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Size | 18 x 8.5 in | 18 x 7.5 in |
| Tire Type | All Season | — |
| Tire Size | 235/45R18 | 225/45R18 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Finish | — | Painted Alloy |
| Run Flat Tires | — | ✓ |
Suspension
| Feature | Lexus | BMW |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Lexus | BMW |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 6 yr./ unlimited mi. | 12 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 4 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 BMW 3 Series.
How does the standard fuel requirement differ between the 2025 Lexus IS and the 2026 BMW 3 Series?
Both the Lexus IS and the BMW 3 Series mandate the use of premium unleaded fuel for optimal performance. This consistent fuel requirement means operating costs related to fuel grade are identical across both models.
Which vehicle provides better usable space for transporting luggage?
The 2026 BMW 3 Series is superior in cargo capacity, offering 16.9 cu ft compared to the 2025 Lexus IS's 10.8 cu ft. This difference of 6.1 cu ft suggests the BMW is significantly better equipped for luggage or larger grocery hauls.
Is there a significant performance deficit in the base Lexus IS powertrain?
The Lexus IS offers 241 hp and 258 lb-ft of torque, which trails the BMW 3 Series' 255 hp and 295 lb-ft figures. While both utilize an 8-speed automatic and RWD, the BMW holds a measurable advantage in both horsepower and torque metrics.
What is the precise difference in overall length and height?
The BMW 3 Series is marginally longer at 185.9 inches versus the IS's 185.4 inches. Conversely, the 3 Series is slightly taller at 56.8 inches compared to the IS's 56.5 inches, though both occupy similar footprints.
How much more expensive is the 2026 BMW 3 Series at base level?
The 2026 BMW 3 Series commands a starting MSRP of $47,500, establishing a $6,965 price premium over the 2025 Lexus IS, which starts at $40,535.
How do the highway fuel economy ratings compare?
The BMW 3 Series offers superior highway efficiency with a rating of 35 MPG, whereas the Lexus IS achieves 31 MPG on the highway. This 4 MPG highway difference contributes heavily to the overall 6 MPG combined fuel economy gap.
More Mid-Range Sedans ($30k-$50k)
View allVehicle Details
Compare More Vehicles
Use our interactive comparison tool to compare up to 4 vehicles at once
Open Comparison Tool