2021 GMC Savana 3500: What's New, Specs & Features
Last updated August 4, 2026

The most important change for the 2021 GMC Savana 3500 is its new 6.6-liter gas V8, which replaces the old 6.0-liter V8. This is otherwise a light update, not a redesign.
About the 2021 GMC Savana 3500
First generation/full-size Savana architecture introduced for 1996; 2021 is a very late-cycle year with no redesign.
GMC markets the Savana as a straightforward full-size van built for versatility and work. The core appeal is simple: strong towing and payload capability, a durable body-on-frame layout, regular or extended lengths, and configurations that can move either cargo or a lot of people. Compared with newer rivals, it stands out less for cabin tech and more for old-school heavy-duty toughness, easy upfitting, and fleet-friendly simplicity.
The 2021 Savana 3500 remains a work-focused heavy-duty van sold in regular- and extended-length cargo and passenger forms. Cargo versions provide up to 283.6 cubic feet of space, while passenger models seat 12 or 15 people; LT models add cloth seats and carpeting for a less commercial cabin.
What changed, by category
2021 GMC Savana 3500 specs and features by trim
| Feature | ||||||
|---|---|---|---|---|---|---|
| Engine | V8, 6.6 Liter / V6, 4.3 Liter / 4-Cyl, Turbo Diesel, 2.8 Liter | V8, 6.6 Liter / 4-Cyl, Turbo Diesel, 2.8 Liter / V6, 4.3 Liter | V8, 6.6 Liter / 4-Cyl, Turbo Diesel, 2.8 Liter / V6, 4.3 Liter | V8, 6.6 Liter / V6, 4.3 Liter / 4-Cyl, Turbo Diesel, 2.8 Liter | V8, 6.6 Liter / 4-Cyl, Turbo Diesel, 2.8 Liter / V6, 4.3 Liter | V8, 6.6 Liter / 4-Cyl, Turbo Diesel, 2.8 Liter / V6, 4.3 Liter |
| Transmission | Automatic, 8-Spd w/Overdrive | Automatic, 8-Spd w/Overdrive | Automatic, 8-Spd w/Overdrive | Automatic, 8-Spd w/Overdrive | Automatic, 8-Spd w/Overdrive | Automatic, 8-Spd w/Overdrive |
| Drivetrain | RWD | RWD | RWD | RWD | RWD | RWD |
| Fuel Type | Gas / Diesel | Gas / Diesel | Gas / Diesel | Gas / Diesel | Gas / Diesel | Gas / Diesel |
| Horsepower | 181–401 hp | 181–401 hp | 181–401 hp | 181–401 hp | 181–401 hp | 181–401 hp |
| Torque | 298–464 lb-ft | 298–464 lb-ft | 298–464 lb-ft | 298–464 lb-ft | 298–464 lb-ft | 298–464 lb-ft |
| Max Towing | 9600 lb | 9600 lb | 10000 lb | 10000 lb | 9200 lb | 9200 lb |
| Trunk/Cargo | 218.5 cu-ft | 218.5 cu-ft | 239.4 cu-ft | 283.6 cu-ft | 255.5 cu-ft | 255.5 cu-ft |
| Rear Legroom | 36.6 in | 36.6 in | 36.6 in | 36.6 in | ||
| Seats | 12 | 12 | 5 | 5 | 15 | 15 |
| Doors | 3 | 3 | 3 | 3 | 3 | 3 |
| Blindspot Sensors | ||||||
| Cruise Control | ||||||
| Lane Departure Warning | ||||||
| Park Assist | ||||||
| Rear View Camera | ||||||
| Roof Rails | ||||||
| Bluetooth | ||||||
| Satellite Radio | ||||||
| USB Ports | ||||||
| Folding Rear Seat | ||||||
| Rear Air Conditioning | ||||||
| Remote Start | ||||||
| Remote Keyless Entry | ||||||
| Third Row Seat | ||||||
| Tilt Wheel | ||||||
Frequently asked questions
What is the biggest change to the 2021 GMC Savana 3500?
The biggest change is a new 6.6-liter gas V8 that replaces the previous 6.0-liter V8. It produces 401 horsepower and 464 lb-ft of torque.
Is the 2021 GMC Savana 3500 a redesign?
No, the 2021 Savana 3500 is not a redesign. Its body-on-frame construction, regular and extended wheelbases, styling, and basic cabin carry over.
How does the 2021 GMC Savana 3500 compare with the 2020 model?
The 2021 model replaces the 2020 van’s 6.0-liter V8 with a 6.6-liter gas V8. It also drops flexible-fuel versions and factory navigation, with no meaningful styling or structural changes.
Does the 2021 GMC Savana 3500 still have V6 and diesel engines?
Yes, the 2021 lineup retains the 4.3-liter V6 and 2.8-liter diesel. The engine change affects the larger gas V8, with the new 6.6-liter unit replacing the old 6.0-liter engine.
Did the 2021 Savana 3500 seating and body layouts change?
No, the main layouts carry over for 2021. Cargo vans retain regular and extended bodies, while passenger versions continue with 12-seat and 15-seat configurations.