Bringing car spotting into perspective
Background grid Pontiac Firebird Coupé 1970-1973 Porsche 911 Cabriolet 2015-2020
Spec height1 1.28 m 2
1 1.294 m Spec height1
 + 1.4 cm
1 + 0.4 cm
+ 36.8 cm 2 4.867 m Spec length
1 4.499 m Spec length
Front wheels
Center wheels
Rear wheels
Front bumper
Center cars
Rear bumper
Now Comparing Photos show real-world appearance vs. specification. See Disclaimer.
Porsche 911 Cabriolet 2015 - 2020
Views available
Porsche
911
Cabriolet
Gen. 7.1 | 2015 - 2020
Find at a Dealer
Spotted in Switzerland 20″ Mirrored image
Pontiac Firebird Coupé 1970 - 1973
Views available
Pontiac
Firebird
Coupé
Gen. 2 | 1970 - 1973
Spotted in Switzerland 15″ Mirrored image
Compare Car Insurance Rates Personalized quotes in 5 minutes or less with Insurify

Side View Car Size ComparisonPorsche 911 (991) Cabriolet 2015 vs. Pontiac Firebird Coupé 1970


Dimensions & Specifications | Porsche 911 (991) Cabriolet 2015 is 36.8 cm shorter and 1.4 cm higher compared to Pontiac Firebird Coupé 1970. It has 0.4 cm more ground clearance and offers 30% less cargo space.4,5

--
Size class
--
449.9 cm
Length
486.7 cm
+36.8
180.8 cm
Width2
186.4 cm
+5.6
197.8 cm
Width incl. mirrors
-- cm
129.4 cm
+1.4
Height1
128 cm
245 cm
Wheelbase
274.3 cm
+29.3
12.1 cm
+0.4
Ground clearance3
11.7 cm
1575 kg
Weight4,6
1620 kg
+3%
4
Seats max.
--
145 l
Cargo volume EU4
205 l
+42%
-- l
Cargo volume max. EU4,5
-- l
258 l
Cargo volume US4
-- l
-- l
Cargo volume max. US4,5
-- l
Premium
Segment
Premium
€ 111004
Price EU7
€ --
$ 108600
+3678%
Price US7
$ 2875
1. Maximum height | 2. Width with folded mirrors when available | 3. Max. ground clearance | 4. Most common power unit. Possible deviation of standards. | 5. With all rear seats folded down | 6. Curb weight | 7. For illustration purpose only. Starting MSRP (Manufacturer Suggested Retail Price).
cm
inch
Quick Facts
3086370
Comparison combinations
Germany
Origin of the most car models
1908
Year of our oldest car model
Featured in
Car and Driver The New York Times Top Gear

Compare car dimensions with real cars side-by-side, true-to-scale, and from the same point of view for thousands of current and historical models. Limitations apply - please read our disclaimer.

Let us know about the cars you'd love to see on our website by contacting us on social media or dropping us an email to info[at]carsized[dot]com.

Copyright © 2026 carsized.com. All rights reserved.