Audi A6 vs Lexus GS400
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2000 Lexus GS400
Overview
| Spec | Audi A6Premium | Lexus GS400400 |
|---|---|---|
| Selected trim | Premium | 400 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | regular unleaded |
| Transmission | 7-speed automated manual | 5-speed automatic |
| Engine type | mild hybrid | gas |
| Model year | 2026 | 2000 |
Pricing & market
| Spec | Audi A6Premium | Lexus GS400400 |
|---|---|---|
| MSRP | $64,100 | $0 (best) |
| Lowest listing price | $14,990 (best) | — |
| Median listing price | $23,396 (best) | — |
| Highest listing price | $24,999 (best) | — |
| For sale now | 4 (best) | 0 |
Fuel economy & range
| Spec | Audi A6Premium | Lexus GS400400 |
|---|---|---|
| Combined MPG | 23 MPG (best) | 18 MPG |
| City MPG | 20 MPG (best) | 16 MPG |
| Highway MPG | 29 MPG (best) | 22 MPG |
| Fuel tank | 19.3 gal | 19.8 gal (best) |
Performance
| Spec | Audi A6Premium | Lexus GS400400 |
|---|---|---|
| Horsepower | 362 hp (best) | 300 hp |
| Torque | 406 lb-ft (best) | 310 lb-ft |
| Engine size | 3 L | 4 L (best) |
| Cylinders | V6 | V8 |
Size & capability
| Spec | Audi A6Premium | Lexus GS400400 |
|---|---|---|
| Seating | 5 seats (best) | — |
| Doors | 4 | 4 |
| Cargo volume | 13.5 cu ft | 14.8 cu ft (best) |
| Curb weight | 4,310 lbs | 3,693 lbs (best) |
| Ground clearance | — | 5.3 in (best) |
| Wheelbase | 115.1 in (best) | 110.2 in |
| Length | 196.8 in (best) | 189.2 in |
| Width | 73.8 in (best) | 70.9 in |
| Height | 57.4 in (best) | 55.9 in |
Safety & recalls
| Spec | Audi A6Premium | Lexus GS400400 |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | Not Rated | — |
| Frontal crash (passenger) | Not Rated | — |
| Side crash (driver) | Not Rated | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | Not Rated | — |
| Rollover | Not Rated | — |
| 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 | Audi A6 | Lexus GS400 |
|---|---|---|
| 1 | Premium $64,100 MSRP(Currently comparing) | 400 $0 MSRP(Currently comparing) |
| 2 | Premium Plus $67,500 MSRP | — |
| 3 | Prestige $71,400 MSRP | — |
Live inventory
Audi A64 for sale
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Used2017 Audi A6
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Used2021 Audi A6
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Used2019 Audi A6
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Used2019 Audi A6
3.0T Premium Plus
Mythos Black Metallic•Black58,124 mi$23,600LeithCars.com
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Audi A6 vs Lexus GS400 FAQ
- Which is better: 2026 Audi A6 or 2000 Lexus GS400?
- It depends on priorities. OpenDealer compares 2026 Audi A6 vs 2000 Lexus GS400 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Audi A6 or 2000 Lexus GS400?
- Based on starting MSRP, the 2000 Lexus GS400 starts lower at $0. Live Audi A6 listings start at $14,990.
- Which has better startingMsrp: 2026 Audi A6 or 2000 Lexus GS400?
- The 2000 Lexus GS400 leads on startingMsrp in this comparison (0).
- Which has better combinedMpg: 2026 Audi A6 or 2000 Lexus GS400?
- The 2026 Audi A6 leads on combinedMpg in this comparison (23).
- Which has better horsepower: 2026 Audi A6 or 2000 Lexus GS400?
- The 2026 Audi A6 leads on horsepower in this comparison (362).
- Which has better seats: 2026 Audi A6 or 2000 Lexus GS400?
- The 2026 Audi A6 leads on seats in this comparison (5).
- How do the NHTSA safety ratings compare for 2026 Audi A6 vs 2000 Lexus GS400?
- NHTSA overall crash-test ratings in this comparison: Audi A6 (Not Rated/5 NHTSA overall).