Mazda 6 vs Nissan Altima
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Nissan Altima
Overview
| Spec | Mazda 6Sport | Nissan AltimaSV |
|---|---|---|
| Selected trim | Sport | SV |
| Body style | Sedan | Sedan |
| Drivetrain | front wheel drive | front wheel drive |
| Fuel type | regular unleaded | regular unleaded |
| Transmission | 6-speed shiftable automatic | continuously variable-speed automatic |
| Engine type | gas | gas |
| Model year | 2021 | 2026 |
Pricing & market
| Spec | Mazda 6Sport | Nissan AltimaSV |
|---|---|---|
| MSRP | $24,475 (best) | $27,580 |
| Lowest listing price | — | $10,995 (best) |
| Median listing price | — | $19,791 (best) |
| Highest listing price | — | $30,470 (best) |
| For sale now | 0 | 59 (best) |
Fuel economy & range
| Spec | Mazda 6Sport | Nissan AltimaSV |
|---|---|---|
| Combined MPG | 29 MPG | 32 MPG (best) |
| City MPG | 26 MPG | 27 MPG (best) |
| Highway MPG | 35 MPG | 39 MPG (best) |
| Fuel tank | 16.4 gal (best) | 16 gal |
Performance
| Spec | Mazda 6Sport | Nissan AltimaSV |
|---|---|---|
| Horsepower | 187 hp | 188 hp (best) |
| Torque | 186 lb-ft (best) | 180 lb-ft |
| Engine size | 2.5 L | 2.5 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Mazda 6Sport | Nissan AltimaSV |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 14.7 cu ft (best) | — |
| Payload | 1,036 lbs (best) | — |
| Curb weight | 3,437 lbs | 3,281 lbs (best) |
| Ground clearance | 6.5 in (best) | 5 in |
| Wheelbase | 111.4 in (best) | 111 in |
| Length | 192.7 in | 193 in (best) |
| Width | 72.4 in | 73 in (best) |
| Height | 57.1 in (best) | 57 in |
Safety & recalls
| Spec | Mazda 6Sport | Nissan AltimaSV |
|---|---|---|
| NHTSA overall | — | 5 / 5 ★ (best) |
| Frontal crash (driver) | — | 5 / 5 ★ (best) |
| Frontal crash (passenger) | — | 4 / 5 ★ (best) |
| Side crash (driver) | — | 4 / 5 ★ (best) |
| Side crash (passenger) | — | 5 / 5 ★ (best) |
| Side pole | — | 5 / 5 ★ (best) |
| Rollover | — | 5 / 5 ★ (best) |
| Open recalls (YMM scope) | None reported | None reported |
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 | Mazda 6 | Nissan Altima |
|---|---|---|
| 1 | Sport $24,475 MSRP(Currently comparing) | SV $27,580 MSRP(Currently comparing) |
| 2 | Touring $27,075 MSRP | SV $29,080 MSRP |
| 3 | Grand Touring $30,175 MSRP | SR $28,980 MSRP |
| 4 | Grand Touring Reserve $32,675 MSRP | SR AWD $30,480 MSRP |
| 5 | Carbon Edition $32,950 MSRP | — |
| 6 | Signature $35,900 MSRP | — |
Live inventory
Nissan Altima59 for sale
See all
Used2024 Nissan Altima
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Garnet Pearl Metallic•Charcoal63,765 mi$18,797Peachtree Mitsubishi
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Certified2021 Nissan Altima
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Glacier White•charcoal123,823 mi$10,995Wholesale Direct Wilmington
Wilmington, NC
Used2017 Nissan Altima
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Cayenne Red•charcoal78,978 mi$13,599Jim Coleman Nissan Bethesda
Bethesda, MD
Used2025 Nissan Altima
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Garnet Pearl Metallic•Charcoal51,248 mi$18,754Honda of Lake City
Lake City, FL
Used2024 Nissan Altima
2.5 SL
Pearl White Tricoat•charcoal53,524 mi$22,536Classic Nissan Newport News
Newport News, VA
Used2023 Nissan Altima
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Pearl White Tricoat•Charcoal62,043 mi$18,588Walla Walla Toyota
Walla Walla, WA
Mazda 6 vs Nissan Altima FAQ
- Which is better: 2021 Mazda 6 or 2026 Nissan Altima?
- It depends on priorities. OpenDealer compares 2021 Mazda 6 vs 2026 Nissan Altima on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2021 Mazda 6 or 2026 Nissan Altima?
- Based on starting MSRP, the 2021 Mazda 6 starts lower at $24,475. Live Nissan Altima listings start at $10,995.
- Which has better startingMsrp: 2021 Mazda 6 or 2026 Nissan Altima?
- The 2021 Mazda 6 leads on startingMsrp in this comparison (24,475).
- Which has better combinedMpg: 2021 Mazda 6 or 2026 Nissan Altima?
- The 2026 Nissan Altima leads on combinedMpg in this comparison (32).
- Which has better horsepower: 2021 Mazda 6 or 2026 Nissan Altima?
- The 2021 Mazda 6 leads on horsepower in this comparison (227).
- How do the NHTSA safety ratings compare for 2021 Mazda 6 vs 2026 Nissan Altima?
- NHTSA overall crash-test ratings in this comparison: Nissan Altima (5/5 NHTSA overall).