Lexus NX vs Kia Sorento
The Lexus NX is the more efficient of the two: it reaches 40 mpg combined versus 37 mpg for the Kia Sorento, a 3 mpg advantage and costs about $250 less per year to fuel.
Across 5 measured categories, the Lexus NX leads in 4. Figures are EPA test data, not manufacturer claims.
2015–2026
Lexus NX
Small Sport Utility Vehicle 4WD · 58 configurations
2015–2027
Kia Sorento
Small Sport Utility Vehicle 4WD · 74 configurations
Head-to-head specifications
| Metric | Lexus NX | Kia Sorento |
|---|---|---|
| Best combined MPG | 40 mpg ✓ | 37 mpg |
| Best city MPG | 42 mpg ✓ | 39 mpg |
| Best highway MPG | 38 mpg ✓ | 36 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $1,900 | $1,650 ✓ |
| Lowest CO2 output | 87 g/mi ✓ | 105 g/mi |
| Engines offered | SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; PHEV, 2.5 | SIDI; Hybrid, SIDI; PHEV, SIDI & PFI, SIDI |
| Transmissions | Automatic (AV-S6), Automatic (S8), Automatic (S6) | Automatic (AM-S6), Automatic (AM-S8), Automatic (S8) |
| Drivetrains | Front-Wheel Drive, All-Wheel Drive | Front-Wheel Drive, All-Wheel Drive |
| Fuel types | Premium, Regular, Premium and Electricity | Regular, Regular Gas and Electricity |
| EPA class | Small Sport Utility Vehicle 4WD | Small Sport Utility Vehicle 4WD |
| Years covered | 2015–2026 | 2015–2027 |
| Configurations on record | 58 | 74 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
NX vs Sorento: common questions
Which is better on gas, the Lexus NX or the Kia Sorento?
The Lexus NX is the more efficient of the two: it reaches 40 mpg combined versus 37 mpg for the Kia Sorento, a 3 mpg advantage and costs about $250 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Kia Sorento runs about $1,650 a year in fuel at its most efficient configuration, versus about $1,900 for the Lexus NX — a difference of roughly $250 per year.
What engines do the NX and Sorento offer?
Lexus NX: SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; PHEV, 2.5. Kia Sorento: SIDI; Hybrid, SIDI; PHEV, SIDI & PFI, SIDI.
Are they in the same vehicle class?
Yes — the EPA classifies both the Lexus NX and the Kia Sorento as Small Sport Utility Vehicle 4WD, so they compete directly.
More NX comparisons
Comparison id: lexus-nx-vs-kia-sorento