Class B
Airstream Interstate Grand Tour Ext-twin
Compare specs across all model years (2016–2019)
4
Model Years
2
Sleeps
24' 4"
Length
11,030
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2018 Interstate Grand Tour Ext-twin
Best Choice
Highest Mint Score (36.6). Most powerful engine (188 HP).
What Changed Year-Over-Year
2017
2018
Tank Capacity Change
Fresh water capacity changed from 32 to 26 gallons.
2016
2017
More Power
Horsepower changed from 161 to 188 HP.
All Model Years
2019
2019 Airstream Interstate Grand Tour Ext-twin
30.9
11,030 lbs GVWR
24' 4"
Sleeps 2
188 HP
View Full Specs
Best Value
2018
2018 Airstream Interstate Grand Tour Ext-twin
36.6
11,030 lbs GVWR
24' 4"
Sleeps 2
188 HP
View Full Specs
2017
2017 Airstream Interstate Grand Tour Ext-twin
36.6
11,030 lbs GVWR
24' 4"
Sleeps 2
188 HP
↑ 27 HP more than 2016
View Full Specs
2016
2016 Airstream Interstate Grand Tour Ext-twin
36.1
11,030 lbs GVWR
24' 1"
Sleeps 2
161 HP
Original model year
View Full Specs
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.
Leave the Noise Behind.
Reconnect Outdoors.
Our mission is to help people make well-informed RV buying decisions, so they can leave the noise and screens behind, reconnect with family, and create unforgettable memories in the great outdoors.
Free tools. No sales pressure. Just better decisions.