2018 Porsche 911 Dimensions, Sizes & Specifications
Based on 20 trims — exact values when identical, ranges when trims differ. Generation: 991.2 (Seventh generation) - Facelift.
- Length177.1 in – 179.6 in
- Width71.2 in – 74.0 in
- Height50.0 in – 51.0 in
- Wheelbase96.5 in – 96.7 in
- Ground clearance4.0 in
- Curb weight3,153 lb – 3,682 lb
- Length177.1 in – 179.6 in
- Height50.0 in – 51.0 in
- Wheelbase96.5 in – 96.7 in
- Ground clearance4.0 in
- Curb weight3,153 lb – 3,682 lb
- Width71.2 in – 74.0 in
Proportional exterior silhouette from catalog length, width and height. The explorer below is a systems map — different purpose, not a second silhouette.
Explore your 2018 Porsche 911
Interactive systems diagram for this model year — measure, check fitment, and open the matching SpecSizes tools. Schematic only; not photorealistic body styling.
- Dimensions
- Wheels
- Tires
- Wipers
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 177.1 in – 179.6 in · 71.2 in – 74.0 in · 50.0 in – 51.0 in. Full dimensions
Wheels: bolt pattern 5x130, bore 71.6 mm. Wheel sizes
Tires: 2235, 2236, 235/40R19, 245/35R20…. Tire sizes
What do you want to check?
- Compare this vehicleSize vs a competitor
- See size by yearModel history & chart
- Will it fit in my garage?Door & bay clearance calculator
- Find cars similar in sizeExterior length, width & height neighbors
- See shorter carsAmong the shorter vehicles in the current dataset
- Browse cars by sizeReverse-search by length, width & height
- Check tire sizeOEM tire sizes
- Check wiper sizeBlade lengths
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 177.1 in – 179.6 in |
|---|---|
| Width | 71.2 in – 74.0 in |
| Height | 50.0 in – 51.0 in |
| Wheelbase | 96.5 in – 96.7 in |
| Ground clearance | 4.0 in |
Weight & capacities
| Curb weight | 3,153 lb – 3,682 lb |
|---|---|
| GVWR | 3,917 lb – 4,553 lb |
| Fuel tank | 16.9 gal – 17.9 gal |
| Max towing capacity | 999 lb |
Engine
- 1881 1921
- 1889 1921
- 1870 1921
| Torque | 331 – 516 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- 2235
- 2236
- 235/40R19
- 245/35R20
- 255/35R20
Wiper sizes Full wiper size page →
- Driver21"
- Passenger22"
Trim-by-trim dimensions (20 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Carrera 2dr Rear-wheel Drive Cabriolet | 177.1 | 71.2 | 50.7 | 96.5 | 4.0 | 3307 |
| Carrera 2dr Rear-wheel Drive Coupe | 177.1 | 71.2 | 50.9 | 96.5 | 4.0 | 3153 |
| Carrera 4 2dr All-wheel Drive Cabriolet | 177.1 | 72.9 | 50.7 | 96.5 | 4.0 | 3417 |
| Carrera 4 2dr All-wheel Drive Coupe | 177.1 | 72.9 | 50.9 | 96.5 | 4.0 | 3263 |
| Carrera 4 GTS 2dr All-wheel Drive Cabriolet | 178.3 | 72.9 | 50.8 | 96.5 | 4.0 | 3451 |
| Carrera 4 GTS 2dr All-wheel Drive Coupe | 178.3 | 72.9 | 51.0 | 96.5 | 4.0 | 3296 |
| Carrera 4S 2dr All-wheel Drive Cabriolet | 177.1 | 72.9 | 50.8 | 96.5 | 4.0 | 3439 |
| Carrera 4S 2dr All-wheel Drive Coupe | 177.1 | 72.9 | 51.0 | 96.5 | 4.0 | 3285 |
| Carrera GTS 2dr Rear-wheel Drive Cabriolet | 178.3 | 72.9 | 50.8 | 96.5 | 4.0 | 3352 |
| Carrera GTS 2dr Rear-wheel Drive Coupe | 178.3 | 72.9 | 51.0 | 96.5 | 4.0 | 3197 |
| Carrera S 2dr Rear-wheel Drive Cabriolet | 177.1 | 71.2 | 50.8 | 96.5 | 4.0 | 3329 |
| Carrera S 2dr Rear-wheel Drive Coupe | 177.1 | 71.2 | 51.0 | 96.5 | 4.0 | 3175 |
| GTS 2dr Rear-wheel Drive Coupe | 179.6 | 72.9 | 50.0 | 96.7 | 4.0 | 3153 |
| Targa 4 2dr All-wheel Drive Coupe | 177.1 | 72.9 | 50.7 | 96.5 | 4.0 | 3461 |
| Targa 4 GTS 2dr All-wheel Drive Coupe | 178.3 | 72.9 | 50.9 | 96.5 | 4.0 | 3495 |
| Targa 4S 2dr All-wheel Drive Coupe | 177.1 | 72.9 | 50.9 | 96.5 | 4.0 | 3483 |
| Turbo 2dr All-wheel Drive Cabriolet | 177.4 | 74.0 | 51.0 | 96.5 | 4.0 | 3671 |
| Turbo 2dr All-wheel Drive Coupe | 177.4 | 74.0 | 51.0 | 96.5 | 4.0 | 3516 |
| Turbo S 2dr All-wheel Drive Cabriolet | 177.4 | 74.0 | 51.0 | 96.5 | 4.0 | 3682 |
| Turbo S 2dr All-wheel Drive Coupe | 177.4 | 74.0 | 51.0 | 96.5 | 4.0 | 3527 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (991.2 (Seventh generation) - Facelift): years 2017–2019. View model overview