2026 Lexus IS 350: Specs, Key Features & Rivals
- Thirstiest in class
- Thirstiest in the city
- Thirstiest on the highway
If you’re looking at compact luxury car options, the IS 350 from Lexus is one to know. The IS 350 has a claim to fame among the compact luxury cars we track: it Has the highest combined fuel use. Its closest rivals include TLX, Model 3 and CT5.
- Total system output311 hp
- Fuel economy (combined)22 mpg
- Cargo (behind rear seats)10.8 cu ft
- Seats5 seats
- Starting MSRP$45,500
Key Specifications
Engine & Performance
| Powertrain | Gas |
|---|---|
| Engine | 3.5L V6 |
| Total system output | 311 hp |
| Torque | 280 lb-ft |
| Transmission | 8-speed automatic (6-speed automatic with AWD) |
| Drivetrain | RWD (AWD available) |
Fuel Economy & Range
| Fuel economy (combined)EPA estimate where available | 22 mpg |
|---|---|
| Fuel economy (city) | 19 mpg |
| Fuel economy (highway) | 27 mpg |
| Fuel tank | 17.4 gal |
Space & Practicality
| Seats | 5 seats |
|---|---|
| Cargo (behind rear seats) | 10.8 cu ft |
Off-road & Towing
| AWD / 4WD available | Yes |
|---|
Safety & Tech
| Largest touchscreen | 12.3 in |
|---|---|
| Basic warranty | 4 yr / 50,000 mi |
Dimensions
| Length | 185.8 in |
|---|---|
| Width (no mirrors) | 72.4 in |
| Height | 56.5 in |
| Wheelbase | 110.2 in |
Price
| Starting MSRP | $45,500 |
|---|
How It Stacks Up in the Compact Luxury Car Class
For total system output, the IS 350 is 26% higher than the typical figure in its class. The IS 350 lands 25% under the class average on fuel economy (combined). Its seats figure is roughly what you’d expect in this class.
Compare IS 350 With Its Rivals
Other models in the same class:
Frequently Asked Questions
What was the launch price of the IS 350?
Its launch price was $45,500, according to our data as of launch.
What are the main alternatives to the IS 350?
In its class, the IS 350 competes most directly with TLX, Model 3, CT5 and Giulia.