The Pontiac Bonneville, a storied nameplate introduced in 1957, evolved from a performance-focused convertible into a full-size sedan by its final years, blending power and practicality.
From 2002 to 2005, the Bonneville offered a range of engines, including the 3.8L V6 producing 205-240 horsepower and the 4.6L Northstar V8 delivering up to 275 horsepower and 300 lb-ft of torque.
All models featured front-wheel drive (FWD) and a 4-speed electronically controlled automatic transmission with overdrive.
The Northstar V8, a hallmark of GM's performance engineering, provided the Bonneville with competitive power in its class during this era.
Scroll down to explore detailed horsepower and torque data for each engine option.
Check out the Horsepower And Torque specifications for other makes and models.
Tenth Generation: 2000-2005
The 2000-2005 Pontiac Bonneville offered a range of powertrains, starting with a 3.8L V6 producing 205 hp and 230 lb-ft of torque, and culminating in the 4.6L Northstar V8 on the GXP trim, delivering 275 hp and 300 lb-ft of torque.
All models featured front-wheel drive paired with a 4-speed electronically controlled automatic transmission.
A standout innovation for this generation was the introduction of GM's StabiliTrak stability control system on the supercharged SSEi model, enhancing power delivery and control.
2005 Pontiac Bonneville Horsepower
The Pontiac Bonneville offers a horsepower range from 205 hp produced by a 3.8L 3800 SFI engine to 275 hp from a 4.6L NORTHSTAR MFI DOHC engine.
Torque output varies from 230 lb-ft with the 3.8L engine to 300 lb-ft with the 4.6L engine, both configurations utilizing a front-wheel-drive layout and a 4-speed automatic transmission with electronic control and overdrive.
2005 Pontiac Bonneville Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| SLE Sedan |
3.8L | V6 | 3800 SFI (205 HP [152.9 KW] @ 5200 RPM 230LB.-FT. [310.9 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled With OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
| SE Sedan |
3.8L | V6 | 3800 SFI (205 HP [152.9 KW] @ 5200 RPM 230LB.-FT. [310.9 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled With OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
| GXP Sedan |
4.6L | V8 | NORTHSTAR MFI DOHC (275 HP [205.1 KW] @ 5600 RPM 300LB.-FT. [405 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled With OD | FWD |
275 hp @ 5,600 rpm |
300 ft-lbs @ 4,000 rpm |
2004 Pontiac Bonneville Horsepower
The Pontiac Bonneville offers a horsepower range from 205 hp produced by a 3.8L 3800 SFI engine to 275 hp generated by a 4.6L V8 NORTHSTAR MFI DOHC engine.
Torque output varies from 230 lb-ft with the 3.8L engine to 300 lb-ft with the 4.6L V8, both engines paired with a 4-speed automatic transmission and front-wheel drive configuration.
2004 Pontiac Bonneville Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| SLE Sedan |
3.8L | V6 | 3800 SFI (205 HP [152.9 KW] @ 5200 RPM 230LB.-FT. [310.9 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled With OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
| SE Sedan |
3.8L | V6 | 3800 SFI (205 HP [152.9 KW] @ 5200 RPM 230LB.-FT. [310.9 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled With OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
| GXP Sedan |
4.6L | V8 | NORTHSTAR MFI DOHC (275 HP [205.1 KW] @ 5600 RPM 300LB.-FT. [405 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled With OD | FWD |
275 hp @ 5,600 rpm |
300 ft-lbs @ 4,000 rpm |
2003 Pontiac Bonneville Horsepower
The Pontiac Bonneville is equipped with a 3.8L V6 engine, producing a horsepower range of 205 hp at 5200 RPM with 230 lb-ft of torque at 4000 RPM, up to 240 hp at 5200 RPM with 280 lb-ft of torque at 3600 RPM, depending on the engine configuration.
It features a front-wheel-drive layout and is paired with a 4-speed automatic transmission, which is electronically controlled and includes overdrive.
2003 Pontiac Bonneville Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| SSEi Sedan |
3.8L | Superchraged | V6 | 3800 SFI (240 HP [179.0 KW] @ 5200 RPM 280LB.-FT. [378.0 N-M] @ 3600 RPM) | 4 Spd Auto, Heavy-Duty, Electronically Controlled W/OD, 4T65e | FWD |
240 hp @ 5,200 rpm |
280 ft-lbs @ 3,600 rpm |
| SLE Sedan |
3.8L | V6 | 3800 SFI (205 HP [152.9 KW] @ 5200 RPM 230LB.-FT. [310.9 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled W/OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
| SE Sedan |
3.8L | V6 | 3800 SFI (205 HP [152.9 KW] @ 5200 RPM 230LB.-FT. [310.9 N-M] @ 4000 RPM) | 4 Spd Auto, Electronically Controlled W/OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
2002 Pontiac Bonneville Horsepower
The Pontiac Bonneville is equipped with a 3.8L (231) SFI 3800 SERIES II engine, producing a horsepower range of 205 hp to 240 hp, depending on the configuration.
Torque output varies from 230 lb-ft to 280 lb-ft, with the differences attributed to engine tuning.
The vehicle features a front-wheel-drive layout and is paired with a 4-speed automatic transmission with overdrive.
2002 Pontiac Bonneville Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| SSEi Sedan |
3.8L | Superchraged | V6 | (231) SFI 3800 SERIES II | 4 Spd Auto w/OD | FWD |
240 hp @ 5,200 rpm |
280 ft-lbs @ 3,600 rpm |
| SLE Sedan |
3.8L | V6 | (231) SFI 3800 SERIES II | 4 Spd Auto w/OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
| SE Sedan |
3.8L | V6 | (231) SFI 3800 SERIES II | 4 Spd Auto w/OD | FWD |
205 hp @ 5,200 rpm |
230 ft-lbs @ 4,000 rpm |
Pontiac Bonneville Horsepower Data Brought To You By AutoPadre
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