2021 head-to-head · Midsize & Large SUV

2021 Chevrolet Suburban Diesel vs Toyota 4Runner

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
$2,413/ year to fuel
23 MPG
✓ Cheaper to run
$2,735/ year to fuel
17 MPG

The 2021 Chevrolet Suburban Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, it costs about $2,413 a year to fuel (23 MPG), versus $2,735 for the 2021 Toyota 4Runner (17 MPG). That's roughly $322 a year, or about $1,611 over five years.

Your numbers

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

Fuel cost over 10 years

  • Chevrolet Suburban Diesel
  • Toyota 4Runner

Side by side

Chevrolet Suburban DieselToyota 4Runner
$2,413 Your annual fuel cost $2,735
23 MPG Combined efficiency 17 MPG
21 MPG City 16 MPG
27 MPG Highway 19 MPG
437 g/mi Tailpipe CO₂ (g/mi) 503 g/mi
5/10 EPA fuel economy score 3/10
4/10 EPA greenhouse gas score 3/10
Diesel Powertrain Gas
Diesel Fuel Regular gasoline
3.0L 6-cyl turbo Engine / motor 4.0L 6-cyl
10-speed automatic Transmission 5-speed automatic
RWD Drivetrain RWD

✓ 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.

Chevrolet Suburban Diesel vs Toyota 4Runner across model years

  • Chevrolet Suburban Diesel
  • Toyota 4Runner

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

Among 65 2021 midsize & large SUVs, the Chevrolet Suburban Diesel ranks 21st and the Toyota 4Runner 37th for lowest fuel cost.

The powertrains differ: the Chevrolet Suburban Diesel is a diesel, while the Toyota 4Runner is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2021 Chevrolet Suburban Diesel or the 2021 Toyota 4Runner?

Measured by cost to drive, the Chevrolet Suburban Diesel. The Chevrolet Suburban Diesel is rated 23 MPG combined and the Toyota 4Runner 17 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Chevrolet Suburban Diesel vs. the Toyota 4Runner per year?

At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,413 for the Chevrolet Suburban Diesel and $2,735 for the Toyota 4Runner.

Chevrolet Suburban Diesel vs Toyota 4Runner in other years

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