2023 head-to-head · Midsize & Large SUV

2023 Audi RS Q8 vs INEOS Automotive Grenadier

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
$3,703/ year to fuel
16 MPG

AWD · 4.0L 8-cyl turbo · 8-speed automatic · 16 MPG

✓ Cheaper to run
$3,950/ year to fuel
15 MPG

The 2023 Audi RS Q8 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,703 a year to fuel (16 MPG), versus $3,950 for the 2023 INEOS Automotive Grenadier (15 MPG). That's roughly $247 a year, or about $1,234 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

  • Audi RS Q8
  • INEOS Automotive Grenadier

Side by side

Audi RS Q8INEOS Automotive Grenadier
$3,703 Your annual fuel cost $3,950
16 MPG Combined efficiency 15 MPG
13 MPG City 15 MPG
20 MPG Highway 15 MPG
562 g/mi Tailpipe CO₂ (g/mi) 592 g/mi
3/10 EPA fuel economy score 2/10
3/10 EPA greenhouse gas score 2/10
Hybrid Powertrain Gas
Premium gasoline Fuel Premium gasoline
4.0L 8-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic Transmission 8-speed automatic
AWD Drivetrain 4WD

✓ 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.

Audi RS Q8 vs INEOS Automotive Grenadier across model years

  • Audi RS Q8
  • INEOS Automotive Grenadier

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 73 2023 midsize & large SUVs, the Audi RS Q8 ranks 70th and the INEOS Automotive Grenadier 72nd for lowest fuel cost.

The powertrains differ: the Audi RS Q8 is a full hybrid, while the INEOS Automotive Grenadier is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2023 Audi RS Q8 or the 2023 INEOS Automotive Grenadier?

Measured by cost to drive, the Audi RS Q8. The Audi RS Q8 is rated 16 MPG combined and the INEOS Automotive Grenadier 15 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Audi RS Q8 vs. the INEOS Automotive Grenadier per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,703 for the Audi RS Q8 and $3,950 for the INEOS Automotive Grenadier.

Audi RS Q8 vs INEOS Automotive Grenadier in other years

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