2025 Alfa Romeo Giulia vs 2025 Lexus IS
Comparison Overview
The most significant numerical divergence between the 2025 Alfa Romeo Giulia and the 2025 Lexus IS is the $3,460 MSRP gap, with the Lexus starting at $40,535 versus the Alfa Romeo's $43,995. This price variance accompanies a substantial 39 horsepower disparity; the Giulia delivers 280 hp and 306 lb-ft of torque, significantly outpacing the IS's 241 hp and 258 lb-ft of torque. Fuel economy remains closely contested, with the Giulia achieving 27 combined MPG compared to the IS’s 25 combined MPG. Both sedans utilize an 8-speed shiftable automatic transmission and require premium unleaded fuel. Dimensionally, the Giulia is shorter in length at 182.5 inches versus the IS's 185.4 inches, though the Giulia is slightly wider at 73.7 inches.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Lexus IS
The Lexus IS wins for commuters due to its slightly better highway MPG rating of 31 MPG versus the Giulia's 33 MPG, although its lower power output is less relevant for routine transit.
2025 Lexus IS
The Lexus IS offers a more traditional utility advantage with a stated cargo capacity of 10.8 cu ft, which the Alfa Romeo specification lacks data for.
2025 Alfa Romeo Giulia
The 2025 Alfa Romeo Giulia is the clear performance choice, generating 280 hp and 306 lb-ft of torque compared to the Lexus IS's 241 hp.
2025 Lexus IS
The Lexus IS offers superior initial acquisition value, priced $3,460 lower than the Giulia while maintaining a comparable premium fuel requirement and drivetrain configuration.
Choose the Alfa Romeo Giulia if...
- Maximum straight-line performance is prioritized, evidenced by the 280 hp output.
- A higher torque figure of 306 lb-ft is desired for responsiveness.
- The owner prefers the slightly more compact overall length of 182.5 inches.
Choose the Lexus IS if...
- Keeping the initial purchase price below $41,000 is critical, as it undercuts Car 1 by $3,460.
- A usable trunk volume of 10.8 cu ft is a necessary specification.
- A slightly better highway fuel efficiency rating (31 MPG vs 33 MPG) is desired despite lower horsepower.
Key Dimensions
| Dimension | Alfa Romeo Giulia | Lexus IS |
|---|---|---|
| Length | 182.5" | 185.4" |
| Width | 73.7" | 72.4" |
| Height | 56.5" | 56.5" |
| Wheelbase | 111.0" | 110.2" |
Features Comparison
Safety
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | ✓ |
| Lane Keeping Assist System | ✓ | ✓ |
| Rear Cross Traffic Alert | ✓ | ✓ |
| Driver Attention Alert | ✓ | — |
| Pre-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 | ✓ | ✓ |
| Self-Leveling Headlights | ✓ | — |
| Daytime Running Lights | ✓ | ✓ |
| Headlight Washers | ✓ | — |
| 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 | ✓ | ✓ |
| Post-Collision Safety System | — | ✓ |
Engine
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | gas |
| Horsepower | 280 hp @ 5200 rpm | 241 hp @ 5200 rpm |
| Torque | 306 lb-ft @ 2000 rpm | 258 lb-ft @ 1650 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Single overhead cam (SOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | rear wheel drive |
Fuel
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 24/33 MPG | 21/31 MPG |
| EPA Fuel Economy (Combined) | 27 MPG | 25 MPG |
| EPA Driving Range (City/Highway) | 367.2/504.9 mi. | 365.4/539.4 mi. |
| Fuel Tank Capacity | 15.3 gal. | 17.4 gal. |
Comfort & Convenience
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| 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 | ✓ | ✓ |
| Front Parking Sensors | ✓ | — |
| Rear Parking Sensors | ✓ | — |
| Wireless Charging Pad | ✓ | — |
| Adaptive Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | — |
| Overhead Console with Storage | ✓ | — |
| Leather Steering Wheel | ✓ | ✓ |
| Simulated Alloy Trim on Steering Wheel | ✓ | — |
| Heated Steering Wheel | ✓ | — |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Interior Air Filtration | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | — |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Front Seatback Storage | — | ✓ |
In Car Entertainment
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Infotainment Display | 8.8 in | 8.0 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 8 | 10 |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 6 months | 3 months |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
Power Feature
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Front Head Room | 38.6 in. | 38.2 in. |
| Front Leg Room | 42.4 in. | 44.8 in. |
| Front Shoulder Room | 56.1 in. | 55.9 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Driver Seat Memory Settings | 3 | — |
| Passenger Seat Power Adjustments | 6-way | 8-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Driver Seat Heating | Multi-level | — |
| Passenger Seat Heating | Multi-level | — |
| Front Hip Room | — | 54.3 in. |
| Seat Material: Leatherette | — | ✓ |
Rearseats
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Rear Head Room | 37.6 in. | 36.9 in. |
| Rear Leg Room | 35.1 in. | 32.2 in. |
| Rear Shoulder Room | 53.6 in. | 53.4 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Heated Rear Seats (Multi-Level) | ✓ | — |
| Rear Hip Room | — | 54.0 in. |
| Folding Center Armrest | — | ✓ |
Tires and Wheels
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Wheel Finish | Painted Alloy | — |
| Wheel Size | 18 x 8.0 in | 18 x 8.5 in |
| Tire Size | 225/45R18 | 235/45R18 |
| Run Flat Tires | ✓ | — |
| Wheel Material | — | Alloy |
| Tire Type | — | All Season |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Inside Mounted |
Suspension
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | — | ✓ |
| Rear Stabilizer Bar | — | ✓ |
Warranty
| Feature | Alfa Romeo | Lexus |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 4 yr./ 50000 mi. | 6 yr./ 70000 mi. |
| Corrosion/Rust Warranty | 12 yr./ unlimited mi. | 6 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 4 yr./ unlimited mi. |
| Complimentary Scheduled Maintenance | — | 1 yr./ 10000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Alfa Romeo Giulia and 2025 Lexus IS.
What is the primary performance difference between the 2025 Giulia and the 2025 IS?
The 2025 Alfa Romeo Giulia offers substantially more power, producing 280 horsepower and 306 lb-ft of torque. Conversely, the 2025 Lexus IS produces 241 horsepower and 258 lb-ft of torque, making the Giulia significantly faster in acceleration metrics.
How do the fuel requirements and efficiencies compare for these RWD sedans?
Both vehicles mandate premium unleaded fuel for operation. The Giulia edges out the IS slightly in efficiency, achieving 27 combined MPG (24 city/33 highway) compared to the IS's 25 combined MPG (21 city/31 highway).
Is there a notable difference in exterior size between the two cars?
Yes, the Lexus IS is 2.9 inches longer, measuring 185.4 inches compared to the Giulia's 182.5 inches. However, the Alfa Romeo is wider at 73.7 inches versus the Lexus's 72.4 inches.
Which vehicle provides better financial value upon purchase?
The Lexus IS provides a clearer upfront value proposition, starting at an MSRP of $40,535. This undercuts the 2025 Alfa Romeo Giulia's starting price of $43,995 by $3,460.
Do both models share the same transmission type?
Yes, both the 2025 Alfa Romeo Giulia and the 2025 Lexus IS are equipped with an 8-speed shiftable automatic transmission.
Does the Lexus IS offer a specified cargo space measurement?
The 2025 Lexus IS lists a cargo capacity of 10.8 cubic feet in its specifications. No corresponding cargo volume figure was provided for the 2025 Alfa Romeo Giulia for direct comparison.
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