2025 head-to-head · Large Car

2025 Acura Integra vs Mercedes-Benz S-Class Plug-in Hybrid

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$1,795/ year to fuel
33 MPG
✓ Cheaper to run
$1,736/ year to fuel
63 MPGe + 23 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, the most efficient 2025 Acura Integra (33 MPG) costs about $1,795 a year to fuel and the 2025 Mercedes-Benz S-Class Plug-in Hybrid (63 MPGe + 23 MPG) about $1,736.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Acura Integra
  • Mercedes-Benz S-Class Plug-in Hybrid

Side by side

Acura IntegraMercedes-Benz S-Class Plug-in Hybrid
$1,795 Your annual fuel cost $1,736
33 MPG Combined efficiency 63 MPGe + 23 MPG
30 MPG City 59 MPGe / 20 MPG
37 MPG Highway 70 MPGe / 29 MPG
— Electricity use (kWh/100 mi) 53 kWh
— Driving range 470 mi
— All-electric range 48 mi
96 cu ft Passenger volume 112 cu ft
24 cu ft Cargo volume 8 cu ft
269 g/mi Tailpipe CO₂ (g/mi) 106 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 9/10
— Charge time at 240V 2.8 hrs
Gas Powertrain Plug-in hybrid
Premium gasoline Fuel Premium gas + electricity
1.5L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
CVT Transmission 9-speed automatic
FWD Drivetrain AWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Acura Integra vs Mercedes-Benz S-Class Plug-in Hybrid across model years

  • Acura Integra
  • Mercedes-Benz S-Class Plug-in Hybrid

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Mercedes-Benz S-Class Plug-in Hybrid has more passenger space (112 vs. 96 cu ft); the Acura Integra has more cargo space (24 vs. 8 cu ft).

Among 25 2025 large cars, the Acura Integra ranks 13th and the Mercedes-Benz S-Class Plug-in Hybrid 12th for lowest fuel cost.

The powertrains differ: the Acura Integra is a conventional gas model, while the Mercedes-Benz S-Class Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2025 Acura Integra or the 2025 Mercedes-Benz S-Class Plug-in Hybrid?

Measured by cost to drive, the Mercedes-Benz S-Class Plug-in Hybrid. The Acura Integra is rated 33 MPG combined and the Mercedes-Benz S-Class Plug-in Hybrid 63 MPGe + 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 Acura Integra vs. the Mercedes-Benz S-Class Plug-in Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $1,795 for the Acura Integra and $1,736 for the Mercedes-Benz S-Class Plug-in Hybrid.

Which has more cargo space?

The Acura Integra, with 24 cu ft of luggage volume versus 8 cu ft (EPA interior volume index).

Acura Integra vs Mercedes-Benz S-Class Plug-in Hybrid in other years

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