DecodedCarsLexus IS vs Tesla Model S
2026 Lexus IS vs 2026 Tesla Model S — two rivals compared on efficiency, size, safety and reliability.
The short version
That works out to about $3,150 a year less in fuel for the Tesla Model S (EPA estimate, 15,000 miles).
The Tesla Model S is the bigger car, about 10 inches longer.
Across all model years since 2005, the Lexus IS has had fewer recall campaigns (15 vs 38).
The two cars
The 2026 Lexus IS is a compact car offered with a 3.5L 6-cyl engine and rear-wheel drive and all-wheel drive. It measures about 186 inches long and 72 inches wide on a 110-inch wheelbase, with a curb weight of roughly 3,913 lb.
The 2026 Tesla Model S is a large car powered by electricity and all-wheel drive. It measures about 196 inches long and 77 inches wide on a 117-inch wheelbase, with a curb weight of roughly 4,969 lb.
Buying used? The 2024 IS and the 2024 Model S have the fewest problems in our data; avoid the 2015 IS and the 2016 Model S.
| 2026 Lexus IS | 2026 Tesla Model S | |
|---|---|---|
| Class | Compact Cars | Large Cars |
| Engines | 3.5L 6-cyl | EV |
| Drivetrain | Rear-Wheel Drive, All-Wheel Drive | All-Wheel Drive |
| NHTSA overall | Not rated | Not rated |
| Best combined MPG | 22 MPG | – |
| City / highway MPG (best) | 19 city | – |
| EV range | – | 410 mi |
| Fuel cost per year (EPA) | $3,750 | $600 |
| Horsepower (most powerful) | 311 hp | – |
| Seats (most) | 5 | 5 |
| Driver-assist features standard | 11 | 12 |
| Length | 185.8 in | 195.7 in |
| Width | 72.4 in | 77.2 in |
| Height | 56.3 in | 56.7 in |
| Curb weight (lightest) | 3,913 lb | 4,969 lb |
| Recalls (2026) | 0 | 0 |
| Recalls, all years since 2005 | 15 | 38 |
| Owner complaints (latest year) | 1 | 7 |
| Wikipedia views, 30 days | 28,367 | 21,362 |
| Best used year | 2024 | 2024 |
| Year to avoid | 2015 | 2016 |
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the Lexus IS if…
- You want something easier to park (10 in shorter)
- You put reliability history first (15 vs 38 recalls since 2005)
Choose the Tesla Model S if…
- You want an EV with more range (410 miles)
- You want more room (10 in longer)
- You want a hybrid or electric option
Pros & cons of each
2026 Lexus IS
- AWD / 4WD available
- Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
- Below-average fuel economyBest version gets 22 MPG combined, 25% below the 2026 compact car average of 29.2 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
2026 Tesla Model S
- Long EV rangeUp to 410 miles on a charge (EPA).
- Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
Full 2026 Lexus IS specs →Full 2026 Tesla Model S specs →Compare fuel costs for your driving →Compare size & garage fit →