Audi A6 vs Pontiac Bonneville
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2005 Pontiac Bonneville
Overview
| Spec | Audi A6Premium | Pontiac BonnevilleSE |
|---|---|---|
| Selected trim | Premium | SE |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | front wheel drive |
| Fuel type | premium unleaded (required) | regular unleaded |
| Transmission | 7-speed automated manual | 4-speed automatic |
| Engine type | mild hybrid | gas |
| Model year | 2026 | 2005 |
Pricing & market
| Spec | Audi A6Premium | Pontiac BonnevilleSE |
|---|---|---|
| MSRP | $64,100 | $27,965 (best) |
| Lowest listing price | $14,990 (best) | — |
| Median listing price | $23,600 (best) | — |
| Highest listing price | $23,999 (best) | — |
| For sale now | 5 (best) | 0 |
Fuel economy & range
| Spec | Audi A6Premium | Pontiac BonnevilleSE |
|---|---|---|
| Combined MPG | 23 MPG (best) | 21 MPG |
| City MPG | 20 MPG (best) | 18 MPG |
| Highway MPG | 29 MPG (best) | 27 MPG |
| Fuel tank | 19.3 gal (best) | 18 gal |
Performance
| Spec | Audi A6Premium | Pontiac BonnevilleSE |
|---|---|---|
| Horsepower | 362 hp (best) | 205 hp |
| Torque | 406 lb-ft (best) | 230 lb-ft |
| Engine size | 3 L | 3.8 L (best) |
| Cylinders | V6 | V6 |
Size & capability
| Spec | Audi A6Premium | Pontiac BonnevilleSE |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.5 cu ft | 18 cu ft (best) |
| Towing capacity | — | 1,000 lbs (best) |
| Curb weight | 4,310 lbs | 3,633 lbs (best) |
| Ground clearance | — | 5.4 in (best) |
| Wheelbase | 115.1 in (best) | 112.2 in |
| Length | 196.8 in | 202.6 in (best) |
| Width | 73.8 in | 74.2 in (best) |
| Height | 57.4 in (best) | 56.6 in |
Safety & recalls
| Spec | Audi A6Premium | Pontiac BonnevilleSE |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | Not Rated | 4 / 5 ★ (best) |
| Frontal crash (passenger) | Not Rated | 5 / 5 ★ (best) |
| 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 | Pontiac Bonneville |
|---|---|---|
| 1 | Premium $64,100 MSRP(Currently comparing) | SE $27,965 MSRP(Currently comparing) |
| 2 | Premium Plus $67,500 MSRP | SLE $30,350 MSRP |
| 3 | Prestige $71,400 MSRP | GXP $35,585 MSRP |
Live inventory
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Audi A6 vs Pontiac Bonneville FAQ
- Which is better: 2026 Audi A6 or 2005 Pontiac Bonneville?
- It depends on priorities. OpenDealer compares 2026 Audi A6 vs 2005 Pontiac Bonneville 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 2005 Pontiac Bonneville?
- Based on starting MSRP, the 2005 Pontiac Bonneville starts lower at $27,965. Live Audi A6 listings start at $14,990.
- Which has better startingMsrp: 2026 Audi A6 or 2005 Pontiac Bonneville?
- The 2005 Pontiac Bonneville leads on startingMsrp in this comparison (27,965).
- Which has better combinedMpg: 2026 Audi A6 or 2005 Pontiac Bonneville?
- The 2026 Audi A6 leads on combinedMpg in this comparison (23).
- Which has better horsepower: 2026 Audi A6 or 2005 Pontiac Bonneville?
- The 2026 Audi A6 leads on horsepower in this comparison (362).
- Which has better maxTowingLbs: 2026 Audi A6 or 2005 Pontiac Bonneville?
- The 2005 Pontiac Bonneville leads on maxTowingLbs in this comparison (1,000).
- How do the NHTSA safety ratings compare for 2026 Audi A6 vs 2005 Pontiac Bonneville?
- NHTSA overall crash-test ratings in this comparison: Audi A6 (Not Rated/5 NHTSA overall).