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2025 Ford Mustang Fastback vs 2025 Kia Carnival Hybrid

Key differences

  • Carnival Hybrid returns 33 mpg combined versus 26 mpg for Mustang Fastback — 7 mpg higher combined economy.
  • Carnival Hybrid has an estimated primary-fuel bill 550 USD/year lower than Mustang Fastback. That is about 46 USD less per month at 15,000 miles a year.

Specifications side by side

Engine & performance

Engine & performance
Specification2025 Ford Mustang Fastback2025 Kia Carnival Hybrid
Power315 hpNot available
Engine displacement2.3 LNot available
DrivetrainRear-wheel driveFront-Wheel Drive
Transmission10-speed automaticAutomatic (6-speed)

Fuel economy & energy

Fuel economy & energy
Specification2025 Ford Mustang Fastback2025 Kia Carnival Hybrid
Combined fuel economy26 mpg33 mpg Advantage
FuelGasolineRegular

Dimensions & practicality

Dimensions & practicality
Specification2025 Ford Mustang Fastback2025 Kia Carnival Hybrid
Cargo — all seats in use13.3 cu ftNot available
Passenger volume82.8 cu ftNot available
Seats4Not available
Base / estimated curb weight3,588 lbNot available
Length189.4 inNot available
Width75.4 inNot available
Height55 inNot available
Wheelbase107 inNot available

Price & running costs

Price & running costs
Specification2025 Ford Mustang Fastback2025 Kia Carnival Hybrid
Annual primary-fuel cost2,600 USD/year2,050 USD/year Advantage

EPA fuel costs assume 15,000 mi a year and 55% city driving. Prices are original MSRP.

Safety

2025 Ford Mustang Fastback

Includes incomplete test results.

1 test: Acceptable
Test results & tested models
Small overlap front — driver-side only (incomplete)
Acceptable

The 2025 IIHS coupe page carries forward a 2016 Mustang GT driver-side small-overlap test, with stated 2015-2026 applicability. IIHS labels the combined small-overlap rating incomplete: the passenger-side test is not established. This is not a new test of the 2024 redesign and does not establish convertible applicability. No completed two-sided rating or other test result is inferred.

Full results at IIHS →

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