Lexus IS300 vs Pontiac Bonneville
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2005 Pontiac Bonneville
Overview
| Spec | Lexus IS300300 | Pontiac BonnevilleSE |
|---|---|---|
| Selected trim | 300 | SE |
| Body style | Sedan | Sedan |
| Drivetrain | rear wheel drive | front wheel drive |
| Fuel type | premium unleaded (required) | regular unleaded |
| Transmission | 8-speed shiftable automatic | 4-speed automatic |
| Engine type | gas | gas |
| Model year | 2025 | 2005 |
Pricing & market
| Spec | Lexus IS300300 | Pontiac BonnevilleSE |
|---|---|---|
| MSRP | $40,535 | $27,965 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Lexus IS300300 | Pontiac BonnevilleSE |
|---|---|---|
| Combined MPG | 25 MPG (best) | 21 MPG |
| City MPG | 21 MPG (best) | 18 MPG |
| Highway MPG | 31 MPG (best) | 27 MPG |
| Fuel tank | 17.4 gal | 18 gal (best) |
Performance
| Spec | Lexus IS300300 | Pontiac BonnevilleSE |
|---|---|---|
| Horsepower | 241 hp (best) | 205 hp |
| Torque | 258 lb-ft (best) | 230 lb-ft |
| Engine size | 2 L | 3.8 L (best) |
| Cylinders | I4 | V6 |
Size & capability
| Spec | Lexus IS300300 | Pontiac BonnevilleSE |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 10.8 cu ft | 18 cu ft (best) |
| Towing capacity | — | 1,000 lbs (best) |
| Payload | 975 lbs (best) | — |
| Curb weight | 3,715 lbs | 3,633 lbs (best) |
| Ground clearance | 5.5 in (best) | 5.4 in |
| Wheelbase | 110.2 in | 112.2 in (best) |
| Length | 185.4 in | 202.6 in (best) |
| Width | 72.4 in | 74.2 in (best) |
| Height | 56.5 in | 56.6 in (best) |
Safety & recalls
| Spec | Lexus IS300300 | Pontiac BonnevilleSE |
|---|---|---|
| Frontal crash (driver) | — | 4 / 5 ★ (best) |
| Frontal crash (passenger) | — | 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 | Lexus IS300 | Pontiac Bonneville |
|---|---|---|
| 1 | 300 $40,535 MSRP(Currently comparing) | SE $27,965 MSRP(Currently comparing) |
| 2 | 300 $42,535 MSRP | SLE $30,350 MSRP |
| 3 | 300 F SPORT Design $42,505 MSRP | GXP $35,585 MSRP |
| 4 | 300 F SPORT Design $44,545 MSRP | — |
| 5 | 300 F SPORT $44,580 MSRP | — |
| 6 | 300 F SPORT $46,620 MSRP | — |
Lexus IS300 vs Pontiac Bonneville FAQ
- Which is better: 2025 Lexus IS300 or 2005 Pontiac Bonneville?
- It depends on priorities. OpenDealer compares 2025 Lexus IS300 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: 2025 Lexus IS300 or 2005 Pontiac Bonneville?
- Based on starting MSRP, the 2005 Pontiac Bonneville starts lower at $27,965.
- Which has better startingMsrp: 2025 Lexus IS300 or 2005 Pontiac Bonneville?
- The 2005 Pontiac Bonneville leads on startingMsrp in this comparison (27,965).
- Which has better combinedMpg: 2025 Lexus IS300 or 2005 Pontiac Bonneville?
- The 2025 Lexus IS300 leads on combinedMpg in this comparison (25).
- Which has better horsepower: 2025 Lexus IS300 or 2005 Pontiac Bonneville?
- The 2005 Pontiac Bonneville leads on horsepower in this comparison (275).
- Which has better maxTowingLbs: 2025 Lexus IS300 or 2005 Pontiac Bonneville?
- The 2005 Pontiac Bonneville leads on maxTowingLbs in this comparison (1,000).