INFINITI QX80 vs Mercedes-Benz GLS450
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz GLS450
Overview
| Spec | INFINITI QX80PURE | Mercedes-Benz GLS450GLS 450 4MATIC |
|---|---|---|
| Selected trim | PURE | GLS 450 4MATIC |
| Body style | SUV | SUV |
| Drivetrain | rear wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 9-speed automatic | 9-speed shiftable automatic |
| Engine type | gas | mild hybrid |
| Model year | 2027 | 2026 |
Pricing & market
| Spec | INFINITI QX80PURE | Mercedes-Benz GLS450GLS 450 4MATIC |
|---|---|---|
| MSRP | $85,590 (best) | $90,250 |
| Lowest listing price | $17,995 (best) | — |
| Median listing price | $93,414 (best) | — |
| Highest listing price | $123,324 (best) | — |
| For sale now | 121 (best) | 0 |
Fuel economy & range
| Spec | INFINITI QX80PURE | Mercedes-Benz GLS450GLS 450 4MATIC |
|---|---|---|
| Combined MPG | 18 MPG | 21 MPG (best) |
| City MPG | 16 MPG | 19 MPG (best) |
| Highway MPG | 20 MPG | 24 MPG (best) |
| Fuel tank | 24 gal (best) | 23.8 gal |
Performance
| Spec | INFINITI QX80PURE | Mercedes-Benz GLS450GLS 450 4MATIC |
|---|---|---|
| Horsepower | 450 hp (best) | 375 hp |
| Torque | 516 lb-ft (best) | 369 lb-ft |
| Engine size | 3.5 L (best) | 3 L |
| Cylinders | V6 | I6 |
Size & capability
| Spec | INFINITI QX80PURE | Mercedes-Benz GLS450GLS 450 4MATIC |
|---|---|---|
| Seating | 7 seats | 7 seats |
| Doors | 4 | 4 |
| Cargo volume | — | 84.7 cu ft (best) |
| Towing capacity | 8,500 lbs (best) | 7,700 lbs |
| Curb weight | 5,826 lbs | 5,523 lbs (best) |
| Ground clearance | — | 7.9 in (best) |
| Wheelbase | 121 in | 123.4 in (best) |
| Length | 211 in (best) | 205 in |
| Width | 83 in (best) | 79.9 in |
| Height | 77 in (best) | 71.8 in |
Safety & recalls
| Spec | INFINITI QX80PURE | Mercedes-Benz GLS450GLS 450 4MATIC |
|---|---|---|
| Open recalls (YMM scope) | 1 | None reported (best) |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | INFINITI QX80 | Mercedes-Benz GLS450 |
|---|---|---|
| 1 | PURE $85,590 MSRP(Currently comparing) | GLS 450 4MATIC $90,250 MSRP(Currently comparing) |
| 2 | PURE $85,590 MSRP | — |
| 3 | PURE $88,590 MSRP | — |
| 4 | PURE $88,590 MSRP | — |
| 5 | LUXE $91,590 MSRP | — |
| 6 | LUXE $91,590 MSRP | — |
| 7 | LUXE $94,590 MSRP | — |
| 8 | LUXE AWD $94,590 MSRP | — |
| 9 | SPORT $102,590 MSRP | — |
| 10 | SPORT AWD $102,590 MSRP | — |
| 11 | AUTOGRAPH $112,990 MSRP | — |
| 12 | AUTOGRAPH $112,990 MSRP | — |
Live inventory
INFINITI QX80121 for sale
See all
Certified2021 Infiniti QX80
LUXE
Black Obsidian•graphite77,603 mi$29,990Drive Appeal
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Used2024 Infiniti QX80
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Anthracite Gray•Graphite20,321 mi$41,329Clay Cooley Mitsubishi Arlington
Arlington, TX
New2027 Infiniti QX80
Sport 4WD
RADIANT WHITE8 mi$110,134INFINITI Las Vegas
Las Vegas, NV
New2027 Infiniti QX80
Autograph 4WD
7 mi$121,294INFINITI Las Vegas
Las Vegas, NV
New2027 Infiniti QX80
Luxe 2WD
DYNAMIC METAL7 mi$98,429INFINITI Las Vegas
Las Vegas, NV
New2027 Infiniti QX80
Autograph 4WD
RADIANT WHITE7 mi$120,389INFINITI Las Vegas
Las Vegas, NV
INFINITI QX80 vs Mercedes-Benz GLS450 FAQ
- Which is better: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- It depends on priorities. OpenDealer compares 2027 INFINITI QX80 vs 2026 Mercedes-Benz GLS450 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- Based on starting MSRP, the 2027 INFINITI QX80 starts lower at $85,590. Live INFINITI QX80 listings start at $17,995.
- Which has better startingMsrp: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- The 2027 INFINITI QX80 leads on startingMsrp in this comparison (85,590).
- Which has better combinedMpg: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- The 2026 Mercedes-Benz GLS450 leads on combinedMpg in this comparison (21).
- Which has better horsepower: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- The 2027 INFINITI QX80 leads on horsepower in this comparison (450).
- Which has better seats: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- The 2027 INFINITI QX80 leads on seats in this comparison (8).
- Which has better maxTowingLbs: 2027 INFINITI QX80 or 2026 Mercedes-Benz GLS450?
- The 2027 INFINITI QX80 leads on maxTowingLbs in this comparison (8,500).