2025 Porsche 911 GT3 (992 II) vs 2021 Porsche 911 GT3 (992)

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SummaryPerformanceEngineDrivetrainPracticality

Porsche 911 GT3

(2025 - present)

...911 GT3

Porsche 911 GT3

(2021 - 2024)

...911 GT3

Engine
4 L Flat 6	4 L Flat 6
Drivetrain
Rear - RWD	Rear - RWD
Top Speed
193 mph	199 mph
Acceleration
3.4 sec	3.4 sec
Total Power
503 hp	503 hp
Mileage
17.1 mpg	18.1 mpg
Curb Weight
3,261 lbs	3,164 lbs
Luggage
4.8-13.2 ft³	4.7 ft³
Top Speed
193 mph / 311 Km/h	199 mph / 321 Km/h
0-62 mph
3.4 seconds	3.4 seconds
Power-to-Weight
6.48 lb/hp / 340 hp/Tonne	6.28 lb/hp / 351 hp/Tonne
Total Power
503 hp / 510 ps	503 hp / 510 ps
Total Torque
332 lb·ft / 450 N·m	347 lb·ft / 470 N·m
Mileage
17.1 mpg	18.1 mpg
Total Range
284 Miles	305 Miles
Tailpipe CO₂
502 g/Mile	473 g/Mile
Model Platform
911 (19-)	911 (19-)
Door Count
2	2
Seat Count
2	2
Luggage Space
4.8-13.2 ft³	4.7 ft³
Turning Radius
34.1 ft	36.8 ft
Curb Weight
3,261 lbs	3,164 lbs
Gross Weight
3,929 lbs	3,929 lbs
Length
179.9 in	180 in
Width
72.9 in	72.9 in
Height
50.4 in	50.4 in
Wheelbase
96.7 in	96.7 in
Front Track
	63 in
Rear Track
	61.1 in
Layout
Flat 6	Flat 6
Capacity
4 Liter / 243.9 in³	4 Liter / 243.9 in³
Peak Power
503 hp / 510 ps	503 hp / 510 ps
Peak Torque
332 lb·ft / 450 N·m	347 lb·ft / 470 N·m
Specific Output
2.06 hp/in³	2.06 hp/in³
Aspiration
Natural	Natural
Valvetrain
DOHC	DOHC
Valves/Cylinder
4 (24v Total)	4 (24v Total)
Fuel
Gasoline	Gasoline
Compression
13.3:1	13.3:1
Bore x Stroke
4.016 x 3.209 in	4.016 x 3.209 in
Fuel Delivery
Direct Injection	Direct Injection
Position
Rear	Rear
Orientation
Longitudinal	Longitudinal
Fuel Tank
16.6 gal	16.9 gal
Driven Wheels
Rear (RWD)	Rear (RWD)
Front Tyres
255/35 ZR20	255/35 ZR20
Rear Tyres
315/30 ZR21	315/30 ZR21
Transmission (MT)
6 Speeds	6 Speeds
Transmission (AT)
7 Speeds	7 Speeds
Front Brakes
Vented Disc	Vented Disc
Rear Brakes
Vented Disc	Vented Disc
Front Suspension
Double Wishbone	Double Wishbone
Rear Suspension
Multi-Link	Multi-Link