Cadillac CT5 vs Lexus IS300
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2025 Lexus IS300
Overview
| Spec | Cadillac CT5Premium Luxury | Lexus IS300300 |
|---|---|---|
| Selected trim | Premium Luxury | 300 |
| Body style | Sedan | Sedan |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 10-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2025 |
Pricing & market
| Spec | Cadillac CT5Premium Luxury | Lexus IS300300 |
|---|---|---|
| MSRP | $48,600 | $40,535 (best) |
| Lowest listing price | $26,597 (best) | — |
| Median listing price | $39,771 (best) | — |
| Highest listing price | $60,837 (best) | — |
| For sale now | 11 (best) | 0 |
Fuel economy & range
| Spec | Cadillac CT5Premium Luxury | Lexus IS300300 |
|---|---|---|
| Combined MPG | 26 MPG (best) | 25 MPG |
| City MPG | 23 MPG (best) | 21 MPG |
| Highway MPG | 32 MPG (best) | 31 MPG |
| Fuel tank | 17 gal | 17.4 gal (best) |
Performance
| Spec | Cadillac CT5Premium Luxury | Lexus IS300300 |
|---|---|---|
| Horsepower | 237 hp | 241 hp (best) |
| Torque | 258 lb-ft | 258 lb-ft |
| Engine size | 2 L | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Cadillac CT5Premium Luxury | Lexus IS300300 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 11.9 cu ft (best) | 10.8 cu ft |
| Payload | — | 975 lbs (best) |
| Curb weight | 3,663 lbs (best) | 3,715 lbs |
| Ground clearance | — | 5.5 in (best) |
| Wheelbase | 116 in (best) | 110.2 in |
| Length | 193.8 in (best) | 185.4 in |
| Width | 74.1 in (best) | 72.4 in |
| Height | 57.2 in (best) | 56.5 in |
Safety & recalls
| Spec | Cadillac CT5Premium Luxury | Lexus IS300300 |
|---|---|---|
| NHTSA overall | 5 / 5 ★ (best) | — |
| Frontal crash (driver) | 5 / 5 ★ (best) | — |
| Frontal crash (passenger) | 5 / 5 ★ (best) | — |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | 5 / 5 ★ (best) | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | 5 / 5 ★ (best) | — |
| Open recalls (YMM scope) | 1 | None reported (best) |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | Cadillac CT5 | Lexus IS300 |
|---|---|---|
| 1 | Premium Luxury $48,600 MSRP(Currently comparing) | 300 $40,535 MSRP(Currently comparing) |
| 2 | Sport $49,600 MSRP | 300 $42,535 MSRP |
| 3 | V $57,600 MSRP | 300 F SPORT Design $42,505 MSRP |
| 4 | V Blackwing $97,600 MSRP | 300 F SPORT Design $44,545 MSRP |
| 5 | — | 300 F SPORT $44,580 MSRP |
| 6 | — | 300 F SPORT $46,620 MSRP |
Live inventory
Cadillac CT511 for sale
See all
Certified2020 Cadillac CT5
Premium Luxury
Crystal White Tricoat•Maple Sugar With Jet Black Accents62,842 mi$26,597Greensboro Auto Center
Greensboro, NC
New2026 Cadillac CT5
Sport
Black Raven•Jet Black With Jet Black Accents, Leather Seating Surfaces23 mi$60,837Huston Cadillac
Lake Wales, FL
New2026 Cadillac CT5
Premium Luxury
Black Raven23 mi$55,862Huston Cadillac
Lake Wales, FL
Certified2023 Cadillac CT5
Luxury
Argent Silver Metallic•Jet Black with Jet Black Accents, Inteluxe Seats28,231 mi$32,436Bayway Cadillac of the Woodlands
The Woodlands, TX
Used2025 Cadillac CT5
Sport
Black Raven•Jet Black37,255 mi$43,632North Dallas Chrysler Dodge Jeep Ram
Dallas, TX
New2026 Cadillac CT5
Premium Luxury
Black Raven•Jet Black With Jet Black Accents, Leather Seating Surfaces3,527 mi$55,065Tom Clark Cadillac
Denton, TX
Cadillac CT5 vs Lexus IS300 FAQ
- Which is better: 2026 Cadillac CT5 or 2025 Lexus IS300?
- It depends on priorities. OpenDealer compares 2026 Cadillac CT5 vs 2025 Lexus IS300 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Cadillac CT5 or 2025 Lexus IS300?
- Based on starting MSRP, the 2025 Lexus IS300 starts lower at $40,535. Live Cadillac CT5 listings start at $26,597.
- Which has better startingMsrp: 2026 Cadillac CT5 or 2025 Lexus IS300?
- The 2025 Lexus IS300 leads on startingMsrp in this comparison (40,535).
- Which has better combinedMpg: 2026 Cadillac CT5 or 2025 Lexus IS300?
- The 2026 Cadillac CT5 leads on combinedMpg in this comparison (26).
- Which has better horsepower: 2026 Cadillac CT5 or 2025 Lexus IS300?
- The 2026 Cadillac CT5 leads on horsepower in this comparison (668).
- How do the NHTSA safety ratings compare for 2026 Cadillac CT5 vs 2025 Lexus IS300?
- NHTSA overall crash-test ratings in this comparison: Cadillac CT5 (5/5 NHTSA overall).