Full list of all 112 The Grand Tour Game achievements worth 1,545 gamerscore. It takes around 6-8 hours to unlock all of the achievements in the base game.
The base game contains 26 achievements worth 460 Gamerscore, and there are 14 DLC packs containing 86 achievements worth 1,085 Gamerscore.
Use More Horsepowers 50 times
Use Texting 50 times
Use Candy Fog 50 times
Win 50 times with Clarkson
Win 50 times with Hammond
Win 50 times with May
Win 50 times with Abbie
Win a Split-Screen Race
Win a Split-Screen Grand Prix
Use Jeremy button 10 times
Use May button 10 times
Watch 10 complete videos without skipping
Earn a "Toilet finish"
Complete Season 1 Episode 1
Earn all Gold in Season 1 Episode 1
Arrive at Burning Van
Perform a Perfect Launch during drag race
Complete the Fear Makes It Funnier race without screaming
Perform 5,000 metres of drifting
Break 160 mph on a speed camera
Break 190 mph in Rimac in Single Player
Perform a scrape-free run on Hemberg Hillclimb event
Complete ALL THE SMOKE in under 15 seconds
Use Whippy Slippy 50 times
Complete Season 2 Episode 1
Earn all Gold in Season 2 Episode 1
Drift 1,500 metres on the Detroit Streets
Pop 128 dB in the Michigan Building
Blow past 155 MPH on the Eboladrome in Episode 301 Single Player
Beat a 0:32 lap at the Abandoned Auto Factory in Single Player
Smoke Out Hammond in under 10 seconds
Use Musical Idiots 50 times
Complete Season 3 Episode 1
Earn all Gold in Season 3 Episode 1
Complete Season 3 Episode 2 and 3
Earn all Gold in Season 3 Episode 2 and 3
Break 125 mph in any of the 3 Colombia vehicles
Earn Gold in all Colombian Photo Challenges
Earn Gold in all Colombian Towing Challenges
Cross the Buca Bridge without a single fall
Conquer the Nevado Del Ruiz Volcano in under 2:00
Use Holiday Road 50 times
Complete Season 3 Episode 4
Earn all Gold in Season 3 Episode 4
Get all 4 wheels of your pick-up off the ground in Single Player
As Abbie, lap the Eboladrome in under 0:55 in single player
Get gold medals on all Caerwent Target Challenges
Use Lead Balloon 50 times
Complete a FAST AND FROSTY lap in under 0:25
Register a speed of 105 MPH in Momentum Play
Complete a Hurry It Up lap in under 0:49.2
Complete the Clean Machine event without screaming
Win a splitscreen race on any track in either the Lotus Type 25 or the Lotus Type 38
Complete Season 3 Episode 5
Earn all Gold in Season 3 Episode 5
Drift 950 meters in Driving a Feather
Complete Season 3 Episode 6
Earn all Gold in Season 3 Episode 6
Get a Gold Medal in all three fire challenges
Reach 150 MPH in the Eeeeee-YAAAH! event
Accumulate 6.5 G-Force in the Grip Grippity Grip event
Complete You Handled That Well lap in under 0:51
Complete No Safety Rails in under 2:28
Use Thrust Too 25 times
Complete Season 3 Episode 7
Earn all Gold in Season 3 Episode 7
Complete Small and Speedy in under 1:34
Drift 1050 meters in Sliding and Gliding
Break 105 MPH on a Speed Camera in No Go Slow
Win Who's Behind the Wheel as Jeremy
Complete Season 3 Episode 8
Earn all Gold in Season 3 Episode 8
Drift 190 meters in Not a Tea Cosy
Complete Drive Fearless in under 0:28 seconds
Win a Split Screen race in one of the boys RV's
Use Guy Fawkes 25 times
Drift at least 1000 meters in the Aston Martin Vantage drift challenge.
Beat the '62 Corvette Time Trial in under 1:04
Win a Split Screen race in the Pantera GT5
Beat 1:02 in the Citroën C3 Aircross Time Trial Hannibal Highway
Complete Season 3 Episode 9
Earn all Gold in Season 3 Episode 9
Complete Season 3 Episode 10
In What Dreams are Made hit the speed target in 0:45 driving the Countach
Complete Ferrari Testarossa Abbie Time Trial in under 1:00
Win a Split Screen race in the VW Polo GTI or the Ford Fiesta ST
Use Elephant Race 25 times
Earn all Gold in Season 3 Episode 10
Complete Season 3 Episode 11
Earn all Gold in Season 3 Episode 11
Drift at least 1200 metres in the Aston Martin Superleggera drift challenge
Win Choose your Pillock in the Bentley Continental GT
Win Hurry It Up! in the BMW M850i
Complete Season 3 Episode 12
Earn all Gold in Season 3 Episode 12
Win Family Argument in the Porsche 911 GT2 RS
Complete Sent Packing in 24 actions or fewer
Complete Ride-able Valise in under 0:34
Use Nuisance Call 25 times
Complete Season 3 Episode 13
Earn all Gold in Season 3 Episode 13
Complete Sidewinder in under 0:35
Complete Too Many Trees in under 1:10
Win a Split-Screen race in the Flat Pack car
Complete Season 3 Episode 14
Earn all Gold in Season 3 Episode 14
Win the race in the Ford Cortina Rally in Born Brittle
Drift at least 1150 metres in the Ford Sierra Cosworth RS 500 in Catch My Drift?
Complete Rough Rider in under 0:60
Use High Tea 25 times
Complete all of Season 3
Earn all Gold in Season 3