Buick Rendezvous 2003 - 2005 3.5 V6 198hp

Real standard and upgraded performance figures for the 3.5 V6 198hp engine in the Buick Rendezvous 2003 - 2005.

The Buick Rendezvous 2003 - 2005 3.5 V6 198hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.

Horsepower (HP)Torque (Nm)
Standard198289
Stage 1215310
Stage 2223320
Make
Buick
Model
Rendezvous
Generation
2003 - 2005
Engine
3.5 V6 198hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the Buick Rendezvous 2003 - 2005 3.5 V6 198hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 3.5 V6 198hp make after tuning?

Standard output is 198 HP / 289 Nm; Stage 1 on this engine typically reaches 215 HP / 310 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Buick Rendezvous 2003 - 2005 3.5 V6 198hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 3.5 V6 198hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.