2025 Audi A5 vs 2025 Lexus IS
Comparison Overview
The most significant measurable difference is the Manufacturer's Suggested Retail Price (MSRP), with the 2025 Lexus IS starting at $40,535, which is $7,865 less than the 2025 Audi A5's $48,400 entry point. Performance specifications show the Audi A5 leading in output, delivering 261 hp and 273 lb-ft of torque compared to the Lexus IS's 241 hp and 258 lb-ft of torque. Fuel economy ratings are nearly identical, with the A5 achieving a marginally better 26 MPG combined versus the IS's 25 MPG combined. However, the A5’s hatchback body grants it 21.8 cu ft of cargo capacity, more than double the sedan's 10.8 cu ft. Dimensionally, the A5 is slightly longer at 187.2 inches and marginally wider, though the IS is notably taller at 56.5 inches versus the A5's 54.6 inches.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Audi A5
The Audi A5 offers superior fuel efficiency at 32 MPG highway and possesses a more convenient automated manual transmission for stop-and-go traffic.
2025 Audi A5
The Audi A5's hatchback configuration provides 21.8 cu ft of cargo capacity, substantially more usable space than the Lexus IS's 10.8 cu ft.
2025 Audi A5
The Audi A5 provides higher peak output with 261 horsepower and 273 lb-ft of torque, surpassing the Lexus IS's 241 hp and 258 lb-ft.
2025 Lexus IS
The Lexus IS carries a substantial $7,865 lower MSRP and utilizes a more standard 8-speed automatic transmission compared to the A5's premium fuel recommendation.
Choose the Audi A5 if...
- You require maximum utility, leveraging the 21.8 cu ft of cargo space provided by the hatchback body style.
- You prioritize higher engine output, as the A5 produces 261 horsepower versus the IS's 241 hp.
- You prefer the control dynamics of an All-Wheel Drive system, standard on the A5, over the IS's Rear-Wheel Drive setup.
Choose the Lexus IS if...
- Budget is a primary constraint, given the Lexus IS's $40,535 MSRP, saving $7,865 over the A5.
- You prefer a traditional automatic gearbox, as the IS features an 8-speed shiftable automatic.
- You value a slightly taller vehicle height (56.5 inches) for ingress/egress relative to the A5's 54.6 inches.
Key Dimensions
| Dimension | Audi A5 | Lexus IS |
|---|---|---|
| Length | 187.2" | 185.4" |
| Width | 72.6" | 72.4" |
| Height | 54.6" | 56.5" |
| Wheelbase | 111.2" | 110.2" |
Features Comparison
Safety
| Feature | Audi | Lexus |
|---|---|---|
| Lane Departure Warning | ✓ | ✓ |
| Lane Keeping Assist System | ✓ | ✓ |
| 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 | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Blind Spot Monitor | — | ✓ |
| Rear Cross Traffic Alert | — | ✓ |
| Anti-Theft Alarm System (Remote) | — | ✓ |
Engine
| Feature | Audi | Lexus |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 261 hp @ 6300 rpm | 241 hp @ 5200 rpm |
| Torque | 273 lb-ft @ 4200 rpm | 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 | Audi | Lexus |
|---|---|---|
| Transmission Type | 7-speed automated manual | 8-speed shiftable automatic |
| Drivetrain Type | all wheel drive | rear wheel drive |
| Center Differential Type | Limited Slip | — |
Fuel
| Feature | Audi | Lexus |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 23/32 MPG | 21/31 MPG |
| EPA Fuel Economy (Combined) | 26 MPG | 25 MPG |
| EPA Driving Range (City/Highway) | 351.9/489.6 mi. | 365.4/539.4 mi. |
| Fuel Tank Capacity | 15.3 gal. | 17.4 gal. |
Comfort & Convenience
| Feature | Audi | Lexus |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | — |
| Rear Parking Sensors | ✓ | — |
| Adaptive Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | — |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Heated Steering Wheel | ✓ | — |
| Three Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | — |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Cargo Floor Mats | ✓ | — |
| Cruise Control on Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
In Car Entertainment
| Feature | Audi | Lexus |
|---|---|---|
| Infotainment Display | 10.1 in | 8.0 in |
| AM/FM Stereo | ✓ | ✓ |
| Stereo Power | 180W | — |
| Speaker System | 10 | 10 |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Memory Card Slot | ✓ | — |
| Android Auto (Wireless) | — | ✓ |
| Satellite Radio | — | ✓ |
| Satellite Radio Trial Period | — | 3 months |
Power Feature
| Feature | Audi | Lexus |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Remote Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | Audi | Lexus |
|---|---|---|
| Front Head Room | 37.8 in. | 38.2 in. |
| Front Leg Room | 41.3 in. | 44.8 in. |
| Front Shoulder Room | 55.7 in. | 55.9 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Sport | ✓ | — |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Passenger Seat Power Adjustments | 8-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 | — | ✓ |
| Front Seat Type: Bucket | — | ✓ |
Rearseats
| Feature | Audi | Lexus |
|---|---|---|
| Rear Head Room | 37.0 in. | 36.9 in. |
| Rear Leg Room | 35.1 in. | 32.2 in. |
| Rear Shoulder Room | 54.5 in. | 53.4 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
| Rear Hip Room | — | 54.0 in. |
Tires and Wheels
| Feature | Audi | Lexus |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Diameter | 18 in | — |
| Tire Type | All Season | All Season |
| Tire Size | 245/40R H | 235/45R18 |
| Spare Tire Type | Temporary | Temporary |
| Spare Tire Location | Inside Mounted | Inside Mounted |
| Wheel Size | — | 18 x 8.5 in |
Suspension
| Feature | Audi | Lexus |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Audi | 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 Audi A5 and 2025 Lexus IS.
What is the main powertrain difference between the 2025 Audi A5 and the 2025 Lexus IS?
The Audi A5 is slightly more powerful, generating 261 horsepower and 273 lb-ft of torque paired with a 7-speed automated manual transmission. The Lexus IS offers 241 horsepower and 258 lb-ft of torque, utilizing an 8-speed shiftable automatic transmission.
How significant is the cargo space disparity between these two vehicles?
The difference is substantial; the Audi A5 hatchback offers 21.8 cu ft of cargo space. Conversely, the Lexus IS sedan is limited to 10.8 cu ft, meaning the A5 provides over double the accessible storage volume.
Do these vehicles have the same drivetrain configuration?
No, they differ significantly in drive layout. The Audi A5 comes standard with All-Wheel Drive (AWD), whereas the base Lexus IS is configured as Rear-Wheel Drive (RWD).
Which car is more fuel-efficient based on EPA estimates?
The efficiency gap is minimal, with the Audi A5 achieving a combined 26 MPG (23 city/32 highway). The Lexus IS is rated at 25 MPG combined (21 city/31 highway).
Is the price difference reflected in the fuel requirements?
Yes, the more expensive Audi A5 recommends premium unleaded fuel for its performance, while the more affordable Lexus IS mandates premium unleaded fuel for operation.
How do the exterior dimensions compare between the A5 hatchback and the IS sedan?
The A5 is slightly longer overall at 187.2 inches compared to the IS's 185.4 inches. The IS is noticeably taller at 56.5 inches compared to the A5's 54.6 inches, reflecting their respective body styles.
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