Gas cars · 44 cars
Most Fuel-Efficient Diesel Cars and Trucks in 2026
Ordered by combined MPG, the official EPA figure from fueleconomy.gov: the higher, the further on a gallon.
- 01
Combined MPG· $3,700 fuel a year26 MPG$3,700fuel a year - 02
Combined MPG· $3,700 fuel a year26 MPG$3,700fuel a year - 03 Combined MPG· $3,850 fuel a year25 MPG$3,850fuel a year
- 04 Combined MPG· $3,850 fuel a year25 MPG$3,850fuel a year
- 05
Combined MPG· $4,000 fuel a year24 MPG$4,000fuel a year -
Make or sell one of these? Put yours at #1 on this chart for $149/mo, or #2 to #5 for less.
Get #1 here - 06 Combined MPG· $4,000 fuel a year24 MPG$4,000fuel a year
- 07 Combined MPG· $4,000 fuel a year24 MPG$4,000fuel a year
- 08 Combined MPG· $4,000 fuel a year24 MPG$4,000fuel a year
- 09 Combined MPG· $4,000 fuel a year24 MPG$4,000fuel a year
- 10
2026 Chevrolet Silverado (with Sport Mode) 4WD
Pickup · 4-Wheel Drive · Diesel
3.0 L 6-cyl turbo 22 city · 26 hwyCombined MPG· $4,000 fuel a year24 MPG$4,000fuel a year - 11
2026 GMC Sierra 4WD with Sport Mode
Pickup · 4-Wheel Drive · Diesel
3.0 L 6-cyl turbo 22 city · 26 hwyCombined MPG· $4,000 fuel a year24 MPG$4,000fuel a year - 12
Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year - 13
Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year - 14 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 15 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 16 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 17 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 18 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 19 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 20 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 21 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 22 Combined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
- 23
2026 Chevrolet Silverado Mud Terrain Tires 4WD
Pickup · 4-Wheel Drive · Diesel
3.0 L 6-cyl turbo 21 city · 24 hwyCombined MPG· $4,150 fuel a year23 MPG$4,150fuel a year - 24
2025 Chevrolet Silverado Mud Terrain Tires 4WD
Pickup · 4-Wheel Drive · Diesel
3.0 L 6-cyl turbo 21 city · 24 hwyCombined MPG· $4,150 fuel a year23 MPG$4,150fuel a year - 25
2025 GMC Sierra Mud Terrain Tires 4WD
Pickup · 4-Wheel Drive · Diesel
3.0 L 6-cyl turbo 21 city · 24 hwyCombined MPG· $4,150 fuel a year23 MPG$4,150fuel a year
For makers: #1 on this chart · $149/mo Sponsor this chart · $199/mo Get listed · from $19/mo
More in Gas cars
The whole segment →Photo credits on this page
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Suburban · Kevauto · CC BY-SA 4.0 · Wikimedia Commons
- Chevrolet Tahoe · RL GNZLZ · CC BY-SA 4.0 · Wikimedia Commons
- GMC Sierra · Ethan Llamas · CC BY-SA 4.0 · Wikimedia Commons
- GMC Sierra · Ethan Llamas · CC BY-SA 4.0 · Wikimedia Commons
- GMC Sierra · Ethan Llamas · CC BY-SA 4.0 · Wikimedia Commons
- GMC Yukon · HJUdall · CC0 · Wikimedia Commons
- GMC Yukon · HJUdall · CC0 · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Silverado · Bull-Doser · Public domain · Wikimedia Commons
- Chevrolet Suburban · Kevauto · CC BY-SA 4.0 · Wikimedia Commons
- Chevrolet Tahoe · RL GNZLZ · CC BY-SA 4.0 · Wikimedia Commons
- GMC Sierra · Ethan Llamas · CC BY-SA 4.0 · Wikimedia Commons
- GMC Sierra · Ethan Llamas · CC BY-SA 4.0 · Wikimedia Commons
- GMC Yukon · HJUdall · CC0 · Wikimedia Commons
- GMC Yukon · HJUdall · CC0 · Wikimedia Commons
- Chevrolet Suburban · Kevauto · CC BY-SA 4.0 · Wikimedia Commons
- Chevrolet Tahoe · RL GNZLZ · CC BY-SA 4.0 · Wikimedia Commons
- GMC Yukon · HJUdall · CC0 · Wikimedia Commons
- GMC Yukon · HJUdall · CC0 · Wikimedia Commons